import type { DecodedPcmAudio } from '../voice/audio/wav.js';
export interface AudioRange {
    startedAtMs: number;
    endedAtMs: number;
}
/** Subtract already confirmed ranges without guessing word-level boundaries. */
export declare function missingAudioRanges(start: number, end: number, confirmed: AudioRange[]): AudioRange[];
export declare function slicePcmWav(audio: DecodedPcmAudio, startMs: number, endMs: number): Buffer;