/**
 * Node.js conveniences — `audiobox/node`.
 *
 * Deliberately the *only* module that imports from `node:*`. Core stays free of
 * runtime-specific APIs so it works unchanged in browsers, Deno, Bun, and edge
 * runtimes; the Node-flavoured sugar lives here, behind its own subpath, where
 * a bundler targeting the browser will never pull it in.
 */
import { Audio } from '../audio.js';
import { decode, encode } from '../codec.js';
import type { DecodeOptions } from '../types.js';
import type { EncodableFormat, EncodeOptionsByFormat } from '../codec.js';
/** Reads and decodes an audio file from disk. */
export declare function readAudioFile(path: string, options?: DecodeOptions): Promise<Audio>;
/**
 * Encodes and writes an audio file, choosing the format from the extension.
 *
 * ```ts
 * await writeAudioFile('out.flac', audio);
 * await writeAudioFile('out.wav', audio, { bitDepth: 24 });
 * ```
 */
export declare function writeAudioFile<F extends EncodableFormat>(path: string, audio: Audio, options?: EncodeOptionsByFormat[F]): Promise<void>;
/** Infers a format from a file extension. Defaults to WAV. */
export declare function formatFromPath(path: string): EncodableFormat;
/**
 * Decodes a Node `Buffer` without copying.
 *
 * A `Buffer` is a `Uint8Array` view over a shared, pooled `ArrayBuffer`. Passing
 * `buffer.buffer` directly would expose unrelated memory from the pool, so the
 * view's offset and length must be respected — which `toBytes` does.
 */
export declare function fromBuffer(buffer: Uint8Array, options?: DecodeOptions): Promise<Audio>;
export { decode, encode, Audio };
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