import { Helpers as HelpersLogger } from 'ng2-logger';
import { Models } from 'typescript-class-helpers/models';
import { Mapping } from './mapping';
import { JSON10 } from 'json10';
export declare class Helpers extends HelpersLogger {
    static JSON: typeof JSON10;
    static Class: {
        NAME: (className: string, options?: Models.CLASSNAMEOptions) => any;
        getBy: (className: string | Function) => Function;
        getSingleton<T = any>(target: Function): T;
        setSingletonObj(target: Function, singletonObject: any): void;
        getConfig: (target: Function) => Models.ClassConfig[];
        getFromObject: (o: Object) => any;
        getName: (target: Function, production?: boolean) => any;
        getNameFromObject: (o: Object) => any;
        describeProperites: (target: Function) => string[];
        OBJECT: (obj: any) => {
            readonly indexValue: any;
            readonly indexProperty: string;
            readonly isClassObject: boolean;
            isEqual: (anotherObj: any, compareDeep?: boolean) => boolean;
        };
    };
    static readonly Mapping: {
        encode<T = Function>(json: Object, mapping: Mapping.Mapping<{}>): T;
        decode(json: Object, autodetect?: boolean): Mapping.Mapping<{}>;
    };
    static checkValidUrl(url: string): boolean;
}