/**
 * Copyright 2018 Novage LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { STEEmitter } from "./stringly-typed-event-emitter";
import { Segment } from "./loader-interface";
import { SegmentValidatorCallback, XhrSetupCallback, SegmentUrlBuilder } from "./hybrid-loader";
declare class FilteredEmitter extends STEEmitter<"segment-start-load" | "segment-loaded" | "segment-error" | "segment-size" | "bytes-downloaded"> {
}
export declare class HttpMediaManager extends FilteredEmitter {
    readonly settings: {
        httpFailedSegmentTimeout: number;
        httpUseRanges: boolean;
        requiredSegmentsPriority: number;
        skipSegmentBuilderPriority: number;
        segmentValidator?: SegmentValidatorCallback;
        xhrSetup?: XhrSetupCallback;
        segmentUrlBuilder?: SegmentUrlBuilder;
        localTransport?: typeof fetch;
    };
    private fetchRequests;
    private failedSegments;
    private fetch;
    private debug;
    constructor(settings: {
        httpFailedSegmentTimeout: number;
        httpUseRanges: boolean;
        requiredSegmentsPriority: number;
        skipSegmentBuilderPriority: number;
        segmentValidator?: SegmentValidatorCallback;
        xhrSetup?: XhrSetupCallback;
        segmentUrlBuilder?: SegmentUrlBuilder;
        localTransport?: typeof fetch;
    });
    download: (segment: Segment, downloadedPieces?: ArrayBuffer[]) => void;
    updatePriority: (segment: Segment) => void;
    abort: (segment: Segment) => void;
    isDownloading: (segment: Segment) => boolean;
    isFailed: (segment: Segment) => boolean;
    getActiveDownloads: () => ReadonlyMap<string, {
        segment: Segment;
    }>;
    getActiveDownloadsCount: () => number;
    destroy: () => void;
    private setupFetchEvents;
    private segmentDownloadFinished;
    private segmentFailure;
    private cleanTimedOutFailedSegments;
    private buildSegmentUrl;
    private now;
}
export {};