/// <summary>
 /// Allows the authenticating users to unfollow the user specified in the ID parameter.
 /// </summary>
 /// <param name="tokens">The tokens.</param>
 /// <param name="userName">The username.</param>
 /// <param name="options">The options.</param>
 /// <returns>
 /// Returns the unfollowed user in the requested format when successful.
 /// </returns>
 public static TwitterResponse <TwitterUser> Delete(OAuthTokens tokens, string userName, OptionalProperties options)
 {
     Commands.DeleteFriendshipCommand command = new Commands.DeleteFriendshipCommand(tokens, 0, userName, options);
     return(Core.CommandPerformer.PerformAction(command));
 }
 /// <summary>
 /// Allows the authenticating users to unfollow the user specified in the ID parameter.
 /// </summary>
 /// <param name="tokens">The tokens.</param>
 /// <param name="userId">The user id.</param>
 /// <param name="options">The options.</param>
 /// <returns>
 /// Returns the unfollowed user in the requested format when successful.
 /// </returns>
 public static TwitterResponse <TwitterUser> Delete(OAuthTokens tokens, decimal userId, OptionalProperties options)
 {
     Commands.DeleteFriendshipCommand command = new Commands.DeleteFriendshipCommand(tokens, userId, string.Empty, options);
     return(CommandPerformer.PerformAction(command));
 }