import { MemoizedSelector } from '@ngrx/store';
export declare function SetUserDefinedProperty(target: any, propertyKey: string, key: string, value: any): void;
export declare function GetUserDefinedProperty<UDP>(target: any, propertyKey: string, key: string): UDP;
export declare function AddToUserDefinedProperty(target: any, propertyKey: string, key: string, value: any): void;
export declare function AddNamedSelector<T>(target: any, propertyKey: string, name: string, selector: MemoizedSelector<any, T>): void;