import { TemplateRef } from '@angular/core';
import { Observable } from 'rxjs';
import { NzDrawerPlacement } from './nz-drawer-options';
export declare abstract class NzDrawerRef<R = any> {
    abstract afterClose: Observable<R>;
    abstract afterOpen: Observable<void>;
    abstract close(result?: R): void;
    abstract open(): void;
    abstract nzClosable: boolean;
    abstract nzNoAnimation: boolean;
    abstract nzMaskClosable: boolean;
    abstract nzMask: boolean;
    abstract nzTitle: string | TemplateRef<{}>;
    abstract nzPlacement: NzDrawerPlacement;
    abstract nzMaskStyle: object;
    abstract nzBodyStyle: object;
    abstract nzWrapClassName: string;
    abstract nzWidth: number | string;
    abstract nzHeight: number | string;
    abstract nzZIndex: number | string;
    abstract nzOffsetX: number | string;
    abstract nzOffsetY: number | string;
}