/// <summary>
/// Closes a direct message or multi-person direct message.
/// </summary>
public Task <ClosedConversationResponse> CloseAsync(ConversationToClose conversationToClose)
=> SendPostFormUrlEncodedAsync <ConversationToClose, ClosedConversationResponse>("close", conversationToClose);
/// <inheritdoc cref="ConversationsClient.CloseAsync(ConversationToClose)"/> public Task <ClosedConversationResponse> CloseConversationAsync(ConversationToClose conversationToClose) => Conversations.CloseAsync(conversationToClose);