export interface BroadcastMessage {
    username: string;
    message: string;
    color: string;
    avatar: string;
    timestamp: string;
    messageId: string;
}
/**
 * 解析广播消息
 * @param msg 消息
 * @returns {BroadcastMessage | undefined}
 */
export declare const broadcastMessage: (msg: string) => BroadcastMessage | undefined;