import { SegmentIndex, SegmentMatchInfo } from './ManifestModel';
/**
 * Dual-mode HLS segment index aligned with Android HlsSegmentIndex.
 * Pattern mode: O(1) matching for sequential numeric filenames (e.g. seg0.ts, seg1.ts).
 * List mode: stored URIs with round-robin search for irregular filenames.
 */
export default class HlsSegmentIndex implements SegmentIndex {
    readonly startNumber: number;
    readonly targetDurationSecs: number;
    readonly totalDurationSecs: number;
    readonly isLive: boolean;
    readonly segmentCount: number;
    readonly hasUniqueSegmentUris: boolean;
    private readonly segmentDurations;
    private readonly uniformSegmentDuration;
    private readonly initUri;
    private readonly isPatternBased;
    private readonly uriTemplate;
    private readonly patternStartNumber;
    private readonly storedUris;
    private readonly byteRangeOffsets;
    private readonly sharedByteRangeUri;
    private patternRegex;
    private nextListSearchStart;
    constructor(opts: {
        startNumber: number;
        targetDurationSecs: number;
        totalDurationSecs: number;
        isLive: boolean;
        segmentCount: number;
        segmentDurations?: Float32Array;
        uniformSegmentDuration?: number;
        initUri?: string;
        isPatternBased?: boolean;
        uriTemplate?: string;
        patternStartNumber?: number;
        storedUris?: string[];
        byteRangeOffsets?: number[];
        sharedByteRangeUri?: string;
    });
    private getPatternRegex;
    getSegmentUri(segmentNumber: number): string | undefined;
    getSegmentInfoForUri(chunkUri: string, byteRangeOffset?: number): SegmentMatchInfo | undefined;
    matchesInitUri(chunkUri: string): boolean;
    getSegmentInfoByNumber(segmentNumber: number): SegmentMatchInfo | undefined;
    private matchPattern;
    private matchList;
    private matchListByByteRange;
    private buildSegmentMatchInfo;
    private cumulativeDurationAt;
}
/**
 * Builder that auto-detects pattern vs list on the first two URIs,
 * aligned with Android HlsSegmentIndex.Builder.
 * Extracted as a standalone class to support declaration emit (TS4094).
 */
export declare class HlsSegmentIndexBuilder {
    private startNumber;
    private targetDurationSecs;
    private isLive;
    private initUri?;
    private state;
    private count;
    private firstUri;
    private prefix;
    private suffix;
    private firstNumber;
    private lastNumber;
    private listUris;
    private hasByteRanges;
    private byteRangeArray;
    private durations;
    constructor(startNumber: number, targetDurationSecs: number, isLive: boolean, initUri?: string | undefined);
    addUri(uri: string, duration?: number, byteRangeOffset?: number): void;
    private handlePending;
    private handlePattern;
    private switchToList;
    private switchToListFromPattern;
    build(finalInitUri?: string): HlsSegmentIndex;
}