import type { Sayable, Message } from 'wechaty';
/**
 *  1. `void` & `undefined` means drop the message
 *  1. `Message` means forward the original message
 */
type TalkerMessage = void | undefined | Sayable;
declare function talkerMessageFrom(message: Message): Promise<TalkerMessage>;
export type { TalkerMessage, };
export { talkerMessageFrom, };
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