code: public GetListOfUsersPlaylistsRequest.Builder getListOfUsersPlaylists(String user_id) {
      return new GetListOfUsersPlaylistsRequest.Builder(accessToken)
              .setDefaults(httpManager, scheme, host, port)
              .user_id(user_id);
    }
docs: Get an users playlists.
  
  @param user_id A Spotify ID of the user.
  @return A {@link GetListOfUsersPlaylistsRequest.Builder}.
  @see <a href="https://developer.spotify.com/web-api/user-guide/#spotify-uris-and-ids">Spotify: URLs &amp; IDs</a>