/**
 * @copyright
 * (c) 2025 netTrek GmbH & Co. KG – All rights reserved.
 *
 * This source code is part of the C2PA-HLS integration library.
 */
import type Hls from 'hls.js';
import { Interval } from '@flatten-js/interval-tree';
import { C2paManifestHelper } from './C2paManifestHelper';
import { AbstractC2PABridge, type C2PAConfig } from './C2paBridge';
/**
 * A bridge class that connects HLS.js with the C2PA.js runtime to enable real-time
 * fragment validation for fMP4-based HLS streams (VOD and live).
 *
 * It intercepts fragment loading, extracts raw binary data, validates via the C2PA WebAssembly API,
 * and maps manifest data to timecode ranges using an interval tree.
 */
export declare class C2paHlsBridge extends AbstractC2PABridge {
    #private;
    /**
     * Creates a new C2PAHlsBridge instance.
     * @param hls - The HLS.js player instance to attach fragment hooks to.
     */
    constructor(config: C2PAConfig | undefined, hls: Hls);
    getC2PAMetaByTimeCode(timeCode: number): C2paManifestHelper | null;
    getTamperedWithIntervals(): Interval[];
    dispose(): void;
    /**
     * The C2PA runtime initializes asynchronously (WASM load). For short or
     * already-buffered streams, every fragment can finish loading *before* the
     * runtime is ready — in which case the FRAG_LOADING-driven queue bailed on
     * `!this.c2pa` and nothing would ever re-trigger it. Now that the runtime is
     * available, drain any level that still has pending fragments.
     */
    protected onRuntimeReady(): void;
}