import * as i0 from "@angular/core";
export declare class UtilsService {
    static copy<T>(objIn: T): T;
    static distinct(listIn: string[], prefix?: string, sortAsc?: boolean): string[];
    static round(num: number, dec: number): number | null;
    static checkJSON(itemToCheck: string): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<UtilsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UtilsService>;
}