createChatRoom(groupId, name, options, callback) {
		if (typeof options == 'function') {
			callback = options;
			options = {};
		}

		options = options || {};

		return StdLib.Promises.timeoutCallbackPromise(10000, null, callback, true, (resolve, reject) => {
			this.user._sendUnified('ChatRoom.CreateChatRoom#1', {
				chat_group_id: groupId,
				name,
				allow_voice: !!options.isVoiceRoom
			}, (body, hdr) => {
				let err = Helpers.eresultError(hdr.proto);
				if (err) {
					return reject(err);
				}

				processChatRoomState(body.chat_room, false);
				resolve({chat_room: body.chat_room});
			});
		});
	}
Create a text/voice chat room in a group, provided you have permissions to do so.
@param {int|string} groupId - The ID of the group in which you want to create the channel
@param {string} name - The name of your new channel
@param {{isVoiceRoom?: boolean}} [options] - Options for your new room
@param {function} [callback]
@returns {Promise<{chat_room: ChatRoomState}>}