use std::collections::HashMap;
use std::cell::RefCell;
use std::default::Default;
use std::collections::BTreeSet;
use std::error::Error as StdError;
use serde_json as json;
use std::io;
use std::fs;
use std::mem;

use hyper::client::connect;
use tokio::io::{AsyncRead, AsyncWrite};
use tokio::time::sleep;
use tower_service;
use serde::{Serialize, Deserialize};

use crate::{client, client::GetToken, client::serde_with};

// ##############
// UTILITIES ###
// ############

/// Identifies the an OAuth2 authorization scope.
/// A scope is needed when requesting an
/// [authorization token](https://developers.google.com/youtube/v3/guides/authentication).
#[derive(PartialEq, Eq, Hash)]
pub enum Scope {
    /// View and manage G Suite licenses for your domain
    AppLicensing,
}

impl AsRef<str> for Scope {
    fn as_ref(&self) -> &str {
        match *self {
            Scope::AppLicensing => "https://www.googleapis.com/auth/apps.licensing",
        }
    }
}

impl Default for Scope {
    fn default() -> Scope {
        Scope::AppLicensing
    }
}



// ########
// HUB ###
// ######

/// Central instance to access all Licensing related resource activities
///
/// # Examples
///
/// Instantiate a new hub
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_licensing1 as licensing1;
/// use licensing1::{Result, Error};
/// # async fn dox() {
/// use std::default::Default;
/// use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// // Get an ApplicationSecret instance by some means. It contains the `client_id` and 
/// // `client_secret`, among other things.
/// let secret: oauth2::ApplicationSecret = Default::default();
/// // Instantiate the authenticator. It will choose a suitable authentication flow for you, 
/// // unless you replace  `None` with the desired Flow.
/// // Provide your own `AuthenticatorDelegate` to adjust the way it operates and get feedback about 
/// // what's going on. You probably want to bring in your own `TokenStorage` to persist tokens and
/// // retrieve them from storage.
/// let auth = oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().list_for_product_and_sku("productId", "skuId", "customerId")
///              .page_token("gubergren")
///              .max_results(50)
///              .doit().await;
/// 
/// match result {
///     Err(e) => match e {
///         // The Error enum provides details about what exactly happened.
///         // You can also just use its `Debug`, `Display` or `Error` traits
///          Error::HttpError(_)
///         |Error::Io(_)
///         |Error::MissingAPIKey
///         |Error::MissingToken(_)
///         |Error::Cancelled
///         |Error::UploadSizeLimitExceeded(_, _)
///         |Error::Failure(_)
///         |Error::BadRequest(_)
///         |Error::FieldClash(_)
///         |Error::JsonDecodeError(_, _) => println!("{}", e),
///     },
///     Ok(res) => println!("Success: {:?}", res),
/// }
/// # }
/// ```
#[derive(Clone)]
pub struct Licensing<S> {
    pub client: hyper::Client<S, hyper::body::Body>,
    pub auth: Box<dyn client::GetToken>,
    _user_agent: String,
    _base_url: String,
    _root_url: String,
}

impl<'a, S> client::Hub for Licensing<S> {}

impl<'a, S> Licensing<S> {

    pub fn new<A: 'static + client::GetToken>(client: hyper::Client<S, hyper::body::Body>, auth: A) -> Licensing<S> {
        Licensing {
            client,
            auth: Box::new(auth),
            _user_agent: "google-api-rust-client/5.0.2-beta-1".to_string(),
            _base_url: "https://licensing.googleapis.com/".to_string(),
            _root_url: "https://licensing.googleapis.com/".to_string(),
        }
    }

    pub fn license_assignments(&'a self) -> LicenseAssignmentMethods<'a, S> {
        LicenseAssignmentMethods { hub: &self }
    }

    /// Set the user-agent header field to use in all requests to the server.
    /// It defaults to `google-api-rust-client/5.0.2-beta-1`.
    ///
    /// Returns the previously set user-agent.
    pub fn user_agent(&mut self, agent_name: String) -> String {
        mem::replace(&mut self._user_agent, agent_name)
    }

    /// Set the base url to use in all requests to the server.
    /// It defaults to `https://licensing.googleapis.com/`.
    ///
    /// Returns the previously set base url.
    pub fn base_url(&mut self, new_base_url: String) -> String {
        mem::replace(&mut self._base_url, new_base_url)
    }

    /// Set the root url to use in all requests to the server.
    /// It defaults to `https://licensing.googleapis.com/`.
    ///
    /// Returns the previously set root url.
    pub fn root_url(&mut self, new_root_url: String) -> String {
        mem::replace(&mut self._root_url, new_root_url)
    }
}


// ############
// SCHEMAS ###
// ##########
/// A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance: service Foo { rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty); }
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [delete license assignments](LicenseAssignmentDeleteCall) (response)
/// 
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct Empty { _never_set: Option<bool> }

impl client::ResponseResult for Empty {}


/// Representation of a license assignment.
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [delete license assignments](LicenseAssignmentDeleteCall) (none)
/// * [get license assignments](LicenseAssignmentGetCall) (response)
/// * [insert license assignments](LicenseAssignmentInsertCall) (response)
/// * [list for product license assignments](LicenseAssignmentListForProductCall) (none)
/// * [list for product and sku license assignments](LicenseAssignmentListForProductAndSkuCall) (none)
/// * [patch license assignments](LicenseAssignmentPatchCall) (request|response)
/// * [update license assignments](LicenseAssignmentUpdateCall) (request|response)
/// 
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct LicenseAssignment {
    /// ETag of the resource.
    
    pub etags: Option<String>,
    /// Identifies the resource as a LicenseAssignment, which is `licensing#licenseAssignment`.
    
    pub kind: Option<String>,
    /// A product's unique identifier. For more information about products in this version of the API, see Product and SKU IDs.
    #[serde(rename="productId")]
    
    pub product_id: Option<String>,
    /// Display Name of the product.
    #[serde(rename="productName")]
    
    pub product_name: Option<String>,
    /// Link to this page.
    #[serde(rename="selfLink")]
    
    pub self_link: Option<String>,
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    #[serde(rename="skuId")]
    
    pub sku_id: Option<String>,
    /// Display Name of the sku of the product.
    #[serde(rename="skuName")]
    
    pub sku_name: Option<String>,
    /// The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    #[serde(rename="userId")]
    
    pub user_id: Option<String>,
}

impl client::RequestValue for LicenseAssignment {}
impl client::Resource for LicenseAssignment {}
impl client::ResponseResult for LicenseAssignment {}


/// Representation of a license assignment.
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [insert license assignments](LicenseAssignmentInsertCall) (request)
/// 
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct LicenseAssignmentInsert {
    /// Email id of the user
    #[serde(rename="userId")]
    
    pub user_id: Option<String>,
}

impl client::RequestValue for LicenseAssignmentInsert {}


/// There is no detailed description.
/// 
/// # Activities
/// 
/// This type is used in activities, which are methods you may call on this type or where this type is involved in. 
/// The list links the activity name, along with information about where it is used (one of *request* and *response*).
/// 
/// * [list for product license assignments](LicenseAssignmentListForProductCall) (response)
/// * [list for product and sku license assignments](LicenseAssignmentListForProductAndSkuCall) (response)
/// 
#[serde_with::serde_as(crate = "::client::serde_with")]
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
pub struct LicenseAssignmentList {
    /// ETag of the resource.
    
    pub etag: Option<String>,
    /// The LicenseAssignments in this page of results.
    
    pub items: Option<Vec<LicenseAssignment>>,
    /// Identifies the resource as a collection of LicenseAssignments.
    
    pub kind: Option<String>,
    /// The token that you must submit in a subsequent request to retrieve additional license results matching your query parameters. The `maxResults` query string is related to the `nextPageToken` since `maxResults` determines how many entries are returned on each next page.
    #[serde(rename="nextPageToken")]
    
    pub next_page_token: Option<String>,
}

impl client::ResponseResult for LicenseAssignmentList {}



// ###################
// MethodBuilders ###
// #################

/// A builder providing access to all methods supported on *licenseAssignment* resources.
/// It is not used directly, but through the [`Licensing`] hub.
///
/// # Example
///
/// Instantiate a resource builder
///
/// ```test_harness,no_run
/// extern crate hyper;
/// extern crate hyper_rustls;
/// extern crate google_licensing1 as licensing1;
/// 
/// # async fn dox() {
/// use std::default::Default;
/// use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// let secret: oauth2::ApplicationSecret = Default::default();
/// let auth = oauth2::InstalledFlowAuthenticator::builder(
///         secret,
///         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
///     ).build().await.unwrap();
/// let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // Usually you wouldn't bind this to a variable, but keep calling *CallBuilders*
/// // like `delete(...)`, `get(...)`, `insert(...)`, `list_for_product(...)`, `list_for_product_and_sku(...)`, `patch(...)` and `update(...)`
/// // to build up your call.
/// let rb = hub.license_assignments();
/// # }
/// ```
pub struct LicenseAssignmentMethods<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
}

impl<'a, S> client::MethodsBuilder for LicenseAssignmentMethods<'a, S> {}

impl<'a, S> LicenseAssignmentMethods<'a, S> {
    
    /// Create a builder to help you perform the following task:
    ///
    /// Revoke a license.
    /// 
    /// # Arguments
    ///
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    /// * `userId` - The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    pub fn delete(&self, product_id: &str, sku_id: &str, user_id: &str) -> LicenseAssignmentDeleteCall<'a, S> {
        LicenseAssignmentDeleteCall {
            hub: self.hub,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _user_id: user_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// Get a specific user's license by product SKU.
    /// 
    /// # Arguments
    ///
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    /// * `userId` - The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    pub fn get(&self, product_id: &str, sku_id: &str, user_id: &str) -> LicenseAssignmentGetCall<'a, S> {
        LicenseAssignmentGetCall {
            hub: self.hub,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _user_id: user_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// Assign a license.
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    pub fn insert(&self, request: LicenseAssignmentInsert, product_id: &str, sku_id: &str) -> LicenseAssignmentInsertCall<'a, S> {
        LicenseAssignmentInsertCall {
            hub: self.hub,
            _request: request,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// List all users assigned licenses for a specific product SKU.
    /// 
    /// # Arguments
    ///
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `customerId` - The customer's unique ID as defined in the Admin console, such as `C00000000`. If the customer is suspended, the server returns an error.
    pub fn list_for_product(&self, product_id: &str, customer_id: &str) -> LicenseAssignmentListForProductCall<'a, S> {
        LicenseAssignmentListForProductCall {
            hub: self.hub,
            _product_id: product_id.to_string(),
            _customer_id: customer_id.to_string(),
            _page_token: Default::default(),
            _max_results: Default::default(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// List all users assigned licenses for a specific product SKU.
    /// 
    /// # Arguments
    ///
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    /// * `customerId` - The customer's unique ID as defined in the Admin console, such as `C00000000`. If the customer is suspended, the server returns an error.
    pub fn list_for_product_and_sku(&self, product_id: &str, sku_id: &str, customer_id: &str) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        LicenseAssignmentListForProductAndSkuCall {
            hub: self.hub,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _customer_id: customer_id.to_string(),
            _page_token: Default::default(),
            _max_results: Default::default(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// Reassign a user's product SKU with a different SKU in the same product. This method supports patch semantics.
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    /// * `userId` - The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    pub fn patch(&self, request: LicenseAssignment, product_id: &str, sku_id: &str, user_id: &str) -> LicenseAssignmentPatchCall<'a, S> {
        LicenseAssignmentPatchCall {
            hub: self.hub,
            _request: request,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _user_id: user_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
    
    /// Create a builder to help you perform the following task:
    ///
    /// Reassign a user's product SKU with a different SKU in the same product.
    /// 
    /// # Arguments
    ///
    /// * `request` - No description provided.
    /// * `productId` - A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    /// * `skuId` - A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    /// * `userId` - The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    pub fn update(&self, request: LicenseAssignment, product_id: &str, sku_id: &str, user_id: &str) -> LicenseAssignmentUpdateCall<'a, S> {
        LicenseAssignmentUpdateCall {
            hub: self.hub,
            _request: request,
            _product_id: product_id.to_string(),
            _sku_id: sku_id.to_string(),
            _user_id: user_id.to_string(),
            _delegate: Default::default(),
            _additional_params: Default::default(),
            _scopes: Default::default(),
        }
    }
}





// ###################
// CallBuilders   ###
// #################

/// Revoke a license.
///
/// A builder for the *delete* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().delete("productId", "skuId", "userId")
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentDeleteCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _product_id: String,
    _sku_id: String,
    _user_id: String,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentDeleteCall<'a, S> {}

impl<'a, S> LicenseAssignmentDeleteCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, Empty)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.delete",
                               http_method: hyper::Method::DELETE });

        for &field in ["alt", "productId", "skuId", "userId"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(5 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);
        params.push("userId", self._user_id);

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/user/{userId}";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId"), ("{userId}", "userId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["userId", "skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);



        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::DELETE)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentDeleteCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentDeleteCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    ///
    /// Sets the *user id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn user_id(mut self, new_value: &str) -> LicenseAssignmentDeleteCall<'a, S> {
        self._user_id = new_value.to_string();
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentDeleteCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentDeleteCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentDeleteCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentDeleteCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentDeleteCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// Get a specific user's license by product SKU.
///
/// A builder for the *get* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().get("productId", "skuId", "userId")
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentGetCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _product_id: String,
    _sku_id: String,
    _user_id: String,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentGetCall<'a, S> {}

impl<'a, S> LicenseAssignmentGetCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignment)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.get",
                               http_method: hyper::Method::GET });

        for &field in ["alt", "productId", "skuId", "userId"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(5 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);
        params.push("userId", self._user_id);

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/user/{userId}";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId"), ("{userId}", "userId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["userId", "skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);



        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::GET)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentGetCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentGetCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    ///
    /// Sets the *user id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn user_id(mut self, new_value: &str) -> LicenseAssignmentGetCall<'a, S> {
        self._user_id = new_value.to_string();
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentGetCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentGetCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentGetCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentGetCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentGetCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// Assign a license.
///
/// A builder for the *insert* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// use licensing1::api::LicenseAssignmentInsert;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = LicenseAssignmentInsert::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().insert(req, "productId", "skuId")
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentInsertCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _request: LicenseAssignmentInsert,
    _product_id: String,
    _sku_id: String,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentInsertCall<'a, S> {}

impl<'a, S> LicenseAssignmentInsertCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignment)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.insert",
                               http_method: hyper::Method::POST });

        for &field in ["alt", "productId", "skuId"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(5 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/user";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);

        let mut json_mime_type = mime::APPLICATION_JSON;
        let mut request_value_reader =
            {
                let mut value = json::value::to_value(&self._request).expect("serde to work");
                client::remove_json_null_values(&mut value);
                let mut dst = io::Cursor::new(Vec::with_capacity(128));
                json::to_writer(&mut dst, &value).unwrap();
                dst
            };
        let request_size = request_value_reader.seek(io::SeekFrom::End(0)).unwrap();
        request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();


        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::POST)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .header(CONTENT_TYPE, json_mime_type.to_string())
                        .header(CONTENT_LENGTH, request_size as u64)
                        .body(hyper::body::Body::from(request_value_reader.get_ref().clone()));

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    ///
    /// Sets the *request* property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn request(mut self, new_value: LicenseAssignmentInsert) -> LicenseAssignmentInsertCall<'a, S> {
        self._request = new_value;
        self
    }
    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentInsertCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentInsertCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentInsertCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentInsertCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentInsertCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentInsertCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentInsertCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// List all users assigned licenses for a specific product SKU.
///
/// A builder for the *listForProduct* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().list_for_product("productId", "customerId")
///              .page_token("ut")
///              .max_results(89)
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentListForProductCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _product_id: String,
    _customer_id: String,
    _page_token: Option<String>,
    _max_results: Option<u32>,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentListForProductCall<'a, S> {}

impl<'a, S> LicenseAssignmentListForProductCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignmentList)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.listForProduct",
                               http_method: hyper::Method::GET });

        for &field in ["alt", "productId", "customerId", "pageToken", "maxResults"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(6 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("customerId", self._customer_id);
        if let Some(value) = self._page_token.as_ref() {
            params.push("pageToken", value);
        }
        if let Some(value) = self._max_results.as_ref() {
            params.push("maxResults", value.to_string());
        }

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/users";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);



        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::GET)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentListForProductCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// The customer's unique ID as defined in the Admin console, such as `C00000000`. If the customer is suspended, the server returns an error.
    ///
    /// Sets the *customer id* query property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn customer_id(mut self, new_value: &str) -> LicenseAssignmentListForProductCall<'a, S> {
        self._customer_id = new_value.to_string();
        self
    }
    /// Token to fetch the next page of data. The `maxResults` query string is related to the `pageToken` since `maxResults` determines how many entries are returned on each page. This is an optional query string. If not specified, the server returns the first page.
    ///
    /// Sets the *page token* query property to the given value.
    pub fn page_token(mut self, new_value: &str) -> LicenseAssignmentListForProductCall<'a, S> {
        self._page_token = Some(new_value.to_string());
        self
    }
    /// The `maxResults` query string determines how many entries are returned on each page of a large response. This is an optional parameter. The value must be a positive number.
    ///
    /// Sets the *max results* query property to the given value.
    pub fn max_results(mut self, new_value: u32) -> LicenseAssignmentListForProductCall<'a, S> {
        self._max_results = Some(new_value);
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentListForProductCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentListForProductCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentListForProductCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentListForProductCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentListForProductCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// List all users assigned licenses for a specific product SKU.
///
/// A builder for the *listForProductAndSku* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().list_for_product_and_sku("productId", "skuId", "customerId")
///              .page_token("ipsum")
///              .max_results(94)
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentListForProductAndSkuCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _product_id: String,
    _sku_id: String,
    _customer_id: String,
    _page_token: Option<String>,
    _max_results: Option<u32>,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentListForProductAndSkuCall<'a, S> {}

impl<'a, S> LicenseAssignmentListForProductAndSkuCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignmentList)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.listForProductAndSku",
                               http_method: hyper::Method::GET });

        for &field in ["alt", "productId", "skuId", "customerId", "pageToken", "maxResults"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(7 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);
        params.push("customerId", self._customer_id);
        if let Some(value) = self._page_token.as_ref() {
            params.push("pageToken", value);
        }
        if let Some(value) = self._max_results.as_ref() {
            params.push("maxResults", value.to_string());
        }

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/users";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);



        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::GET)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .body(hyper::body::Body::empty());

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The customer's unique ID as defined in the Admin console, such as `C00000000`. If the customer is suspended, the server returns an error.
    ///
    /// Sets the *customer id* query property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn customer_id(mut self, new_value: &str) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._customer_id = new_value.to_string();
        self
    }
    /// Token to fetch the next page of data. The `maxResults` query string is related to the `pageToken` since `maxResults` determines how many entries are returned on each page. This is an optional query string. If not specified, the server returns the first page.
    ///
    /// Sets the *page token* query property to the given value.
    pub fn page_token(mut self, new_value: &str) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._page_token = Some(new_value.to_string());
        self
    }
    /// The `maxResults` query string determines how many entries are returned on each page of a large response. This is an optional parameter. The value must be a positive number.
    ///
    /// Sets the *max results* query property to the given value.
    pub fn max_results(mut self, new_value: u32) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._max_results = Some(new_value);
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentListForProductAndSkuCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentListForProductAndSkuCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentListForProductAndSkuCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentListForProductAndSkuCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// Reassign a user's product SKU with a different SKU in the same product. This method supports patch semantics.
///
/// A builder for the *patch* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// use licensing1::api::LicenseAssignment;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = LicenseAssignment::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().patch(req, "productId", "skuId", "userId")
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentPatchCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _request: LicenseAssignment,
    _product_id: String,
    _sku_id: String,
    _user_id: String,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentPatchCall<'a, S> {}

impl<'a, S> LicenseAssignmentPatchCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignment)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.patch",
                               http_method: hyper::Method::PATCH });

        for &field in ["alt", "productId", "skuId", "userId"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(6 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);
        params.push("userId", self._user_id);

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/user/{userId}";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId"), ("{userId}", "userId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["userId", "skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);

        let mut json_mime_type = mime::APPLICATION_JSON;
        let mut request_value_reader =
            {
                let mut value = json::value::to_value(&self._request).expect("serde to work");
                client::remove_json_null_values(&mut value);
                let mut dst = io::Cursor::new(Vec::with_capacity(128));
                json::to_writer(&mut dst, &value).unwrap();
                dst
            };
        let request_size = request_value_reader.seek(io::SeekFrom::End(0)).unwrap();
        request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();


        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::PATCH)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .header(CONTENT_TYPE, json_mime_type.to_string())
                        .header(CONTENT_LENGTH, request_size as u64)
                        .body(hyper::body::Body::from(request_value_reader.get_ref().clone()));

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    ///
    /// Sets the *request* property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn request(mut self, new_value: LicenseAssignment) -> LicenseAssignmentPatchCall<'a, S> {
        self._request = new_value;
        self
    }
    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentPatchCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentPatchCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    ///
    /// Sets the *user id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn user_id(mut self, new_value: &str) -> LicenseAssignmentPatchCall<'a, S> {
        self._user_id = new_value.to_string();
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentPatchCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentPatchCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentPatchCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentPatchCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentPatchCall<'a, S> {
        self._scopes.clear();
        self
    }
}


/// Reassign a user's product SKU with a different SKU in the same product.
///
/// A builder for the *update* method supported by a *licenseAssignment* resource.
/// It is not used directly, but through a [`LicenseAssignmentMethods`] instance.
///
/// # Example
///
/// Instantiate a resource method builder
///
/// ```test_harness,no_run
/// # extern crate hyper;
/// # extern crate hyper_rustls;
/// # extern crate google_licensing1 as licensing1;
/// use licensing1::api::LicenseAssignment;
/// # async fn dox() {
/// # use std::default::Default;
/// # use licensing1::{Licensing, oauth2, hyper, hyper_rustls, chrono, FieldMask};
/// 
/// # let secret: oauth2::ApplicationSecret = Default::default();
/// # let auth = oauth2::InstalledFlowAuthenticator::builder(
/// #         secret,
/// #         oauth2::InstalledFlowReturnMethod::HTTPRedirect,
/// #     ).build().await.unwrap();
/// # let mut hub = Licensing::new(hyper::Client::builder().build(hyper_rustls::HttpsConnectorBuilder::new().with_native_roots().https_or_http().enable_http1().enable_http2().build()), auth);
/// // As the method needs a request, you would usually fill it with the desired information
/// // into the respective structure. Some of the parts shown here might not be applicable !
/// // Values shown here are possibly random and not representative !
/// let mut req = LicenseAssignment::default();
/// 
/// // You can configure optional parameters by calling the respective setters at will, and
/// // execute the final call using `doit()`.
/// // Values shown here are possibly random and not representative !
/// let result = hub.license_assignments().update(req, "productId", "skuId", "userId")
///              .doit().await;
/// # }
/// ```
pub struct LicenseAssignmentUpdateCall<'a, S>
    where S: 'a {

    hub: &'a Licensing<S>,
    _request: LicenseAssignment,
    _product_id: String,
    _sku_id: String,
    _user_id: String,
    _delegate: Option<&'a mut dyn client::Delegate>,
    _additional_params: HashMap<String, String>,
    _scopes: BTreeSet<String>
}

impl<'a, S> client::CallBuilder for LicenseAssignmentUpdateCall<'a, S> {}

impl<'a, S> LicenseAssignmentUpdateCall<'a, S>
where
    S: tower_service::Service<http::Uri> + Clone + Send + Sync + 'static,
    S::Response: hyper::client::connect::Connection + AsyncRead + AsyncWrite + Send + Unpin + 'static,
    S::Future: Send + Unpin + 'static,
    S::Error: Into<Box<dyn StdError + Send + Sync>>,
{


    /// Perform the operation you have build so far.
    pub async fn doit(mut self) -> client::Result<(hyper::Response<hyper::body::Body>, LicenseAssignment)> {
        use std::io::{Read, Seek};
        use hyper::header::{CONTENT_TYPE, CONTENT_LENGTH, AUTHORIZATION, USER_AGENT, LOCATION};
        use client::{ToParts, url::Params};
        use std::borrow::Cow;

        let mut dd = client::DefaultDelegate;
        let mut dlg: &mut dyn client::Delegate = self._delegate.unwrap_or(&mut dd);
        dlg.begin(client::MethodInfo { id: "licensing.licenseAssignments.update",
                               http_method: hyper::Method::PUT });

        for &field in ["alt", "productId", "skuId", "userId"].iter() {
            if self._additional_params.contains_key(field) {
                dlg.finished(false);
                return Err(client::Error::FieldClash(field));
            }
        }

        let mut params = Params::with_capacity(6 + self._additional_params.len());
        params.push("productId", self._product_id);
        params.push("skuId", self._sku_id);
        params.push("userId", self._user_id);

        params.extend(self._additional_params.iter());

        params.push("alt", "json");
        let mut url = self.hub._base_url.clone() + "apps/licensing/v1/product/{productId}/sku/{skuId}/user/{userId}";
        if self._scopes.is_empty() {
            self._scopes.insert(Scope::AppLicensing.as_ref().to_string());
        }

        for &(find_this, param_name) in [("{productId}", "productId"), ("{skuId}", "skuId"), ("{userId}", "userId")].iter() {
            url = params.uri_replacement(url, param_name, find_this, false);
        }
        {
            let to_remove = ["userId", "skuId", "productId"];
            params.remove_params(&to_remove);
        }

        let url = params.parse_with_url(&url);

        let mut json_mime_type = mime::APPLICATION_JSON;
        let mut request_value_reader =
            {
                let mut value = json::value::to_value(&self._request).expect("serde to work");
                client::remove_json_null_values(&mut value);
                let mut dst = io::Cursor::new(Vec::with_capacity(128));
                json::to_writer(&mut dst, &value).unwrap();
                dst
            };
        let request_size = request_value_reader.seek(io::SeekFrom::End(0)).unwrap();
        request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();


        loop {
            let token = match self.hub.auth.get_token(&self._scopes.iter().map(String::as_str).collect::<Vec<_>>()[..]).await {
                Ok(token) => token,
                Err(e) => {
                    match dlg.token(e) {
                        Ok(token) => token,
                        Err(e) => {
                            dlg.finished(false);
                            return Err(client::Error::MissingToken(e));
                        }
                    }
                }
            };
            request_value_reader.seek(io::SeekFrom::Start(0)).unwrap();
            let mut req_result = {
                let client = &self.hub.client;
                dlg.pre_request();
                let mut req_builder = hyper::Request::builder()
                    .method(hyper::Method::PUT)
                    .uri(url.as_str())
                    .header(USER_AGENT, self.hub._user_agent.clone());

                if let Some(token) = token.as_ref() {
                    req_builder = req_builder.header(AUTHORIZATION, format!("Bearer {}", token));
                }


                        let request = req_builder
                        .header(CONTENT_TYPE, json_mime_type.to_string())
                        .header(CONTENT_LENGTH, request_size as u64)
                        .body(hyper::body::Body::from(request_value_reader.get_ref().clone()));

                client.request(request.unwrap()).await

            };

            match req_result {
                Err(err) => {
                    if let client::Retry::After(d) = dlg.http_error(&err) {
                        sleep(d).await;
                        continue;
                    }
                    dlg.finished(false);
                    return Err(client::Error::HttpError(err))
                }
                Ok(mut res) => {
                    if !res.status().is_success() {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;
                        let (parts, _) = res.into_parts();
                        let body = hyper::Body::from(res_body_string.clone());
                        let restored_response = hyper::Response::from_parts(parts, body);

                        let server_response = json::from_str::<serde_json::Value>(&res_body_string).ok();

                        if let client::Retry::After(d) = dlg.http_failure(&restored_response, server_response.clone()) {
                            sleep(d).await;
                            continue;
                        }

                        dlg.finished(false);

                        return match server_response {
                            Some(error_value) => Err(client::Error::BadRequest(error_value)),
                            None => Err(client::Error::Failure(restored_response)),
                        }
                    }
                    let result_value = {
                        let res_body_string = client::get_body_as_string(res.body_mut()).await;

                        match json::from_str(&res_body_string) {
                            Ok(decoded) => (res, decoded),
                            Err(err) => {
                                dlg.response_json_decode_error(&res_body_string, &err);
                                return Err(client::Error::JsonDecodeError(res_body_string, err));
                            }
                        }
                    };

                    dlg.finished(true);
                    return Ok(result_value)
                }
            }
        }
    }


    ///
    /// Sets the *request* property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn request(mut self, new_value: LicenseAssignment) -> LicenseAssignmentUpdateCall<'a, S> {
        self._request = new_value;
        self
    }
    /// A product's unique identifier. For more information about products in this version of the API, see Products and SKUs.
    ///
    /// Sets the *product id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn product_id(mut self, new_value: &str) -> LicenseAssignmentUpdateCall<'a, S> {
        self._product_id = new_value.to_string();
        self
    }
    /// A product SKU's unique identifier. For more information about available SKUs in this version of the API, see Products and SKUs.
    ///
    /// Sets the *sku id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn sku_id(mut self, new_value: &str) -> LicenseAssignmentUpdateCall<'a, S> {
        self._sku_id = new_value.to_string();
        self
    }
    /// The user's current primary email address. If the user's email address changes, use the new email address in your API requests. Since a `userId` is subject to change, do not use a `userId` value as a key for persistent data. This key could break if the current user's email address changes. If the `userId` is suspended, the license status changes.
    ///
    /// Sets the *user id* path property to the given value.
    ///
    /// Even though the property as already been set when instantiating this call,
    /// we provide this method for API completeness.
    pub fn user_id(mut self, new_value: &str) -> LicenseAssignmentUpdateCall<'a, S> {
        self._user_id = new_value.to_string();
        self
    }
    /// The delegate implementation is consulted whenever there is an intermediate result, or if something goes wrong
    /// while executing the actual API request.
    /// 
    /// ````text
    ///                   It should be used to handle progress information, and to implement a certain level of resilience.````
    ///
    /// Sets the *delegate* property to the given value.
    pub fn delegate(mut self, new_value: &'a mut dyn client::Delegate) -> LicenseAssignmentUpdateCall<'a, S> {
        self._delegate = Some(new_value);
        self
    }

    /// Set any additional parameter of the query string used in the request.
    /// It should be used to set parameters which are not yet available through their own
    /// setters.
    ///
    /// Please note that this method must not be used to set any of the known parameters
    /// which have their own setter method. If done anyway, the request will fail.
    ///
    /// # Additional Parameters
    ///
    /// * *$.xgafv* (query-string) - V1 error format.
    /// * *access_token* (query-string) - OAuth access token.
    /// * *alt* (query-string) - Data format for response.
    /// * *callback* (query-string) - JSONP
    /// * *fields* (query-string) - Selector specifying which fields to include in a partial response.
    /// * *key* (query-string) - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
    /// * *oauth_token* (query-string) - OAuth 2.0 token for the current user.
    /// * *prettyPrint* (query-boolean) - Returns response with indentations and line breaks.
    /// * *quotaUser* (query-string) - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
    /// * *uploadType* (query-string) - Legacy upload protocol for media (e.g. "media", "multipart").
    /// * *upload_protocol* (query-string) - Upload protocol for media (e.g. "raw", "multipart").
    pub fn param<T>(mut self, name: T, value: T) -> LicenseAssignmentUpdateCall<'a, S>
                                                        where T: AsRef<str> {
        self._additional_params.insert(name.as_ref().to_string(), value.as_ref().to_string());
        self
    }

    /// Identifies the authorization scope for the method you are building.
    ///
    /// Use this method to actively specify which scope should be used, instead of the default [`Scope`] variant
    /// [`Scope::AppLicensing`].
    ///
    /// The `scope` will be added to a set of scopes. This is important as one can maintain access
    /// tokens for more than one scope.
    ///
    /// Usually there is more than one suitable scope to authorize an operation, some of which may
    /// encompass more rights than others. For example, for listing resources, a *read-only* scope will be
    /// sufficient, a read-write scope will do as well.
    pub fn add_scope<St>(mut self, scope: St) -> LicenseAssignmentUpdateCall<'a, S>
                                                        where St: AsRef<str> {
        self._scopes.insert(String::from(scope.as_ref()));
        self
    }
    /// Identifies the authorization scope(s) for the method you are building.
    ///
    /// See [`Self::add_scope()`] for details.
    pub fn add_scopes<I, St>(mut self, scopes: I) -> LicenseAssignmentUpdateCall<'a, S>
                                                        where I: IntoIterator<Item = St>,
                                                         St: AsRef<str> {
        self._scopes
            .extend(scopes.into_iter().map(|s| String::from(s.as_ref())));
        self
    }

    /// Removes all scopes, and no default scope will be used either.
    /// In this case, you have to specify your API-key using the `key` parameter (see [`Self::param()`]
    /// for details).
    pub fn clear_scopes(mut self) -> LicenseAssignmentUpdateCall<'a, S> {
        self._scopes.clear();
        self
    }
}