import type { EventBus } from '../core/EventBus';
import type { Connection } from '../think/Connection';
export declare class Speaker {
    private bus;
    private conn;
    private ctx;
    private schedEnd;
    private pending;
    private done;
    private carry;
    private blocked;
    private chunks;
    private samples;
    private paused;
    constructor(bus: EventBus, conn: Connection);
    init(): void;
    private onChunk;
    private flush;
    private checkDone;
    private clearPlayback;
    pause(): void;
    resume(): void;
    destroy(): void;
}