import { TARGET_SAMPLE_RATE } from './constants';
export { TARGET_SAMPLE_RATE };
type Progress = {
    readonly peaks: Float32Array;
    readonly completedPeaks: number;
    readonly totalPeaks: number;
    readonly final: boolean;
};
type LoadWaveformPeaksOptions = {
    readonly onProgress?: (progress: Progress) => void;
    readonly progressIntervalInMs?: number;
};
export declare function loadWaveformPeaks(url: string, signal: AbortSignal, options?: LoadWaveformPeaksOptions): Promise<Float32Array>;