/** Env var allowing users to point at their own ffmpeg binary, bypassing the bundled one. */
export declare const FFMPEG_PATH_ENV = "LIVEKIT_FFMPEG_PATH";
/**
 * Resolve the ffmpeg binary path:
 * 1. `LIVEKIT_FFMPEG_PATH` env override, if set
 * 2. the bundled LGPL binary from the platform-specific `@livekit/av-*` package
 * 3. `undefined` (caller may fall back to `ffmpeg` on PATH)
 */
export declare const resolveFfmpegPath: () => string | undefined;
export declare const configureFfmpeg: () => void;
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