import { IxComponent } from '../utils/internal';
export interface IxOverlayComponent extends IxComponent {
    isPresent(): boolean;
    willPresent?(): boolean;
    willDismiss?(): boolean;
    present(): void;
    dismiss(): void;
}
export declare class OverlayController {
    overlays: Set<IxOverlayComponent>;
    connected(instance: IxOverlayComponent): void;
    disconnected(instance: IxOverlayComponent): void;
    present(instance: IxOverlayComponent): void;
    dismiss(instance: IxOverlayComponent): void;
    private dismissOthers;
}