import { AudioPostProcessSettings } from "./AudioPostProcess.types";
export type { AudioPostProcessSettings } from "./AudioPostProcess.types";
export interface DecodeAndPostProcessResult {
    channels: Float32Array[];
    decodedChannels: number;
    decodedDuration: number;
}
/**
 * Send already-decoded channel data to the worker for resample + mono mix.
 * Buffers are transferred (zero-copy) both ways.
 */
export declare function postProcessAudioChannels(channels: Float32Array[], settings: AudioPostProcessSettings): Promise<Float32Array[]>;
/**
 * Send raw encoded audio data to the worker for decode + resample + mono mix.
 * When OfflineAudioContext is available in the worker (secure context), the entire
 * pipeline runs off the main thread. Otherwise, decoding falls back to the main
 * thread's AudioContext, with resample + mix still handled by the worker.
 */
export declare function decodeAndPostProcessInWorker(audioData: ArrayBuffer, settings: AudioPostProcessSettings): Promise<DecodeAndPostProcessResult>;