export default class HiddenTileTracker {
    readonly PARTICIPANT_DISPLAY_LIMIT: Number;
    _currentActiveSpeakerElement?: HTMLElement;
    hiddenElements: Array<HTMLElement>;
    visibleElements: Array<HTMLElement>;
    _elementsOrderedByDisplayPriority: Array<HTMLElement>;
    constructor(maxVideoParticipantsOnScreen: Number);
    _removeLastActiveVisibleElement(): void;
    onActiveSpeakerChanged(element?: HTMLElement): void;
    onSubscriberCreated(element: HTMLElement): void;
    onSubscriberRemoved(element: HTMLElement): void;
}
