import * as i0 from "@angular/core";
export declare class ArrayToTreeConverterService {
    createTree(array: any[], parentIdProperty: any, idProperty: any, parentIdValue: any, childrenProperty: string, fieldMappings: any): any;
    mapFields(node: any, newNode: any, fieldMappings: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ArrayToTreeConverterService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ArrayToTreeConverterService>;
}