import { SdkIndexFrame, SdkSubscribeAckFrame } from '../signalingprotocol/SignalingProtocol.js';
import VideoStreamIdSet from '../videostreamidset/VideoStreamIdSet';
/**
 * [[VideoStreamIndex]] holds the set of video streams available on the server for subscription
 */
export default interface VideoStreamIndex {
    /**
     * Saves [[SdkIndexFrame]] in [[VideoStreamIndex]]
     */
    integrateIndexFrame(indexFrame: SdkIndexFrame): void;
    /**
     * Saves [[SdkSubscribeAckFrame]] in [[VideoStreamIndex]]
     */
    integrateSubscribeAckFrame(subscribeAck: SdkSubscribeAckFrame): void;
    /**
     * Returns the set of all streams as [[VideoStreamIdSet]]
     */
    allStreams(): VideoStreamIdSet;
    /**
     * Returns the attendee ids of attendees who are publishing videos excluding self
     */
    allVideoSendingAttendeesExcludingSelf(selfAttendeeId: string): Set<string>;
    /**
     * Return a selection set of streams for subscription based on self attendee id, size infomation of tiles, bandwidth limitation
     */
    streamSelectionUnderBandwidthConstraint(selfAttendeeId: string, largeTileAttendeeIds: Set<string>, smallTileAttendeeIds: Set<string>, bandwidthKbps: number): VideoStreamIdSet;
    /**
     * Returns the set of the highest quality videos for subscription
     */
    highestQualityStreamFromEachGroupExcludingSelf(selfAttendeeId: string): VideoStreamIdSet;
    /**
     * Returns the number of participants who are publishing videos excluding self
     */
    numberOfVideoPublishingParticipantsExcludingSelf(selfAttendeeId: string): number;
    /**
     * Returns attendee id for a track id
     */
    attendeeIdForTrack(trackId: string): string;
    /**
     * Returns a stream id for a track id
     */
    streamIdForTrack(trackId: string): number;
    /**
     * Returns a stream id for an SSRC Id
     */
    streamIdForSSRC(ssrcId: number): number;
    /**
     * Returns the set of streams which are paused at source.
     */
    streamsPausedAtSource(): VideoStreamIdSet;
}