import { Track, Participant, Room, RoomEvent } from 'livekit-client';
import { ComputedRef, MaybeRef } from 'vue';
import { SourcesArray, TrackReference, TrackReferenceOrPlaceholder, TrackSourceWithOptions } from '@livekit/components-core';
export type UseTracksOptions = {
    updateOnlyOn?: MaybeRef<RoomEvent[]>;
    onlySubscribed?: MaybeRef<boolean>;
    room?: MaybeRef<Room>;
};
export type UseTracksReturnType<T> = T extends Track.Source[] ? TrackReference[] : T extends TrackSourceWithOptions[] ? TrackReferenceOrPlaceholder[] : never;
export declare function useTracks<T extends SourcesArray = Track.Source[]>(sources?: MaybeRef<T>, options?: UseTracksOptions): ComputedRef<UseTracksReturnType<T>>;
export declare function requiredPlaceholders<T extends SourcesArray>(sources: T, participants: Participant[]): Map<Participant['identity'], Track.Source[]>;
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