import * as i0 from "@angular/core";
export declare class TanleicaRecursiveService {
    linerArrayToNestedArray(list: any[], keyField: string, titleField: string, parentField: string): Promise<any[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TanleicaRecursiveService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TanleicaRecursiveService>;
}