export declare const WORDS: readonly ['removed', 'unannounced', 'repeated'];
export type Word = (typeof WORDS)[number];
export type Reply = {
    readonly object: string;
    readonly seen: string | null;
} | {
    readonly silence: true;
} | {
    readonly quo: Word;
};
export declare const SILENCE = "{\"silence\":true}";
export declare const writeReply: (reply: Reply) => string;
export declare const readReply: (bytes: Uint8Array) => Reply | null;