import { EventEmitter } from '@angular/core';
import { ModalComponent, ModalContent, ModalOptions } from './modal.component';
export declare class ModalService {
    private modal;
    opened$: EventEmitter<boolean>;
    private checkRegistration;
    register(modal: ModalComponent): void;
    open(content?: ModalContent, options?: Partial<ModalOptions>): void;
    close(): void;
}