import { NgbModal } from '@ng-bootstrap/ng-bootstrap/modal/modal.module';
export declare class ZcDialogService {
    private modalService;
    constructor(modalService: NgbModal);
    confirm(title: string, message: string, btnOkText?: string, btnCancelText?: string, dialogSize?: 'sm' | 'lg'): Promise<boolean>;
    alert(title: string, message: string, btnOkText?: string, dialogSize?: 'sm' | 'lg'): Promise<boolean>;
}