import { ReactiveElement } from 'lit';
import { DisposalBin } from '../../events';
import { Logger } from '../../logger';
import { ScopedDiscoveryEvent } from '../discovery/events';
import { ManagedElementConnectEvent } from './ManagedElement';
export declare class ElementManager<ManagedElement extends ReactiveElement> {
    protected readonly _host: ReactiveElement;
    protected static get _ScopedDiscoveryEvent(): ScopedDiscoveryEvent;
    protected readonly _managedElements: Omit<Set<ManagedElement>, 'clear'>;
    protected readonly _disconnectDisposal: DisposalBin;
    protected readonly _logger: Logger;
    constructor(_host: ReactiveElement);
    protected _handleHostConnected(): void;
    protected _handleHostDisconnected(): void;
    protected _handleElementConnect(event: ManagedElementConnectEvent<ManagedElement>): void;
    protected _getScopedDiscoveryEvent(): ScopedDiscoveryEvent;
    protected _addElement(element: ManagedElement): void;
    protected _handleElementAdded(element: ManagedElement): void;
    protected _removeElement(element: ManagedElement): void;
    protected _removeAllElements(): void;
    protected _handleElementRemoved(element: ManagedElement): void;
}