import { NzSafeAny } from 'ng-zorro-antd/core/types';
import { Observable } from 'rxjs';
import { NsConfig, NsConfigKey } from './config';
import * as i0 from "@angular/core";
export declare class NsConfigService {
    private configUpdated$;
    /** Global config holding property. */
    private config;
    constructor(defaultConfig?: NsConfig);
    getConfigForComponent<T extends NsConfigKey>(componentName: T): NsConfig[T];
    getConfigChangeEventForComponent(componentName: NsConfigKey): Observable<void>;
    set<T extends NsConfigKey>(componentName: T, value: NsConfig[T]): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NsConfigService, [{ optional: true; }]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NsConfigService>;
}
/**
 * This decorator is used to decorate properties. If a property is decorated, it would try to load default value from
 * config.
 */
export declare function WithNsConfig<T>(): (target: NzSafeAny, propName: NzSafeAny, originalDescriptor?: TypedPropertyDescriptor<T>) => NzSafeAny;