diff --git a/gen/drive3/src/api/enums.rs b/gen/drive3/src/api/enums.rs
new file mode 100644
index 0000000000..0b1b7d6e02
--- /dev/null
+++ b/gen/drive3/src/api/enums.rs
@@ -0,0 +1,39 @@
+use super::*;
+
+
+
+#[derive(Clone, Copy, Eq, Hash, Debug, PartialEq, Serialize, Deserialize)]
+/// The source of files to list. Deprecated: use 'corpora' instead.
+pub enum FileCorpusEnum {
+    
+
+    /// Files shared to the user's domain.
+    ///
+    /// "domain"
+    #[serde(rename="domain")]
+    Domain,
+    
+
+    /// Files owned by or shared to the user. If a user has permissions on a Shared Drive, the files inside it won't be retrieved unless the user has created, opened, or shared the file.
+    ///
+    /// "user"
+    #[serde(rename="user")]
+    User,
+}
+
+impl AsRef<str> for FileCorpusEnum {
+    fn as_ref(&self) -> &str {
+        match *self {
+            FileCorpusEnum::Domain => "user",
+            FileCorpusEnum::User => "user",
+        }
+    }
+}
+
+impl<'a> Into<std::borrow::Cow<'a, str>> for &'a FileCorpusEnum {
+    fn into(self) -> std::borrow::Cow<'a, str> {
+        self.as_ref().into()
+    }
+}
+
+