import { NgbModalOptions, NgbModalRef } from "@ng-bootstrap/ng-bootstrap";
export declare function configModal(size?: 'xs' | 'sm' | 'md' | 'lg' | 'xl'): NgbModalOptions;
export interface ModalConfig<T> {
    component: any;
    data?: T;
    init?: (instance: any) => void;
    updatePredicate: (oldItem: T, newItem: T) => boolean;
}
export declare function handleModal<T>(modalRef: NgbModalRef, onSuccess: (data: T) => void, onDismiss?: () => void): void;
export declare function handleModalReturn<T>(modalRef: NgbModalRef): Promise<T | null>;