message: Optional cursors
diff: @@ -21,7 +21,7 @@ pub struct CursorBasedPage<T> {
  pub items: Vec<T>,
  pub limit: u32,
  pub next: Option<String>,
  - pub cursors: Cursor,
  + pub cursors: Option<Cursor>,
  /// Absent if it has read all data items. This field doesn't match what
  /// Spotify document says
  pub total: Option<u32>,
  