import { TwitchPrivateMessage } from './StandardCommands/TwitchPrivateMessage';
/**
 * Additional attributes for a channel message.
 */
export interface ChatSayMessageAttributes {
    /**
     * The message to reply to.
     */
    replyTo?: string | TwitchPrivateMessage;
}
/** @private */
export declare function extractMessageId(message: string | TwitchPrivateMessage): string;