import { Input, InputAudioTrack } from 'mediabunny';
import { BaseSource, SourceOptions } from '../source';
import { WebAudioDecoder } from '../../services/audio-decoder';
import { Time } from '../../types';
import { AudioSlice, SilenceDetectionOptions } from './types';
export declare class AudioSource extends BaseSource {
    decoder: WebAudioDecoder;
    duration?: number;
    demuxer: Input;
    audioTrack: InputAudioTrack | null;
    sampleRate: number;
    numberOfChannels: number;
    constructor(options: SourceOptions);
    init(): Promise<void>;
    decode(numberOfChannels?: number, sampleRate?: number, cache?: boolean): Promise<AudioBuffer>;
    /**
     * Find silences in the audio clip. Results are cached.
     *
     * uses default sample rate of 3000
     * @param options - Silences options.
     * @returns An array of the silences (in seconds) in the clip.
     */
    silences(options?: SilenceDetectionOptions): Promise<AudioSlice[]>;
    samplesInRange({ start, end }: {
        start: Time;
        end: Time;
    }): AsyncGenerator<import('mediabunny').AudioSample, void, unknown>;
}