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