import { AbstractControl, UntypedFormControl, UntypedFormGroup, ValidatorFn } from '@angular/forms';
import { ApiCallParams, ResponseObj } from './core.interface';
import { GridResponse } from '../lib/grids/grid.interface';
import { ArrayToObjPipe, CustomPluralPipe, GetInitialsPipe, IsNotEmptyPipe, ObjToArrayPipe } from './pipes/eagna.pipe';
import { DatePipe, DecimalPipe, Location } from '@angular/common';
import { NavigationExtras, Router } from '@angular/router';
import * as i0 from "@angular/core";
export declare class HelperService {
    private _locale;
    private _datePipe;
    private _getInitials;
    private _plural;
    private _isNotEmpty;
    private _router;
    private _objToArray;
    private _arrToObject;
    private _decimal;
    private _location;
    constructor(_locale: string, _datePipe: DatePipe, _getInitials: GetInitialsPipe, _plural: CustomPluralPipe, _isNotEmpty: IsNotEmptyPipe, _router: Router, _objToArray: ObjToArrayPipe, _arrToObject: ArrayToObjPipe, _decimal: DecimalPipe, _location: Location);
    toggleClass(classes: string | string[], class2: string, mode?: 'add' | 'remove'): string[] | string;
    arrToObj(arr: any[], byId?: string): {
        [field: string]: string;
    } | undefined;
    objToArray(obj: any): {
        label: string;
        value: any;
    }[];
    gotoPage(params: {
        /** if empty, it will reinitialize the current component without page reload */
        pageName?: string | string[];
        /** e.g. {relativeTo: this.activatedRoute} */
        extraParams: NavigationExtras;
        /** from Event (PointerEvent) originalEvent?.ctrlKey */
        newTab?: boolean;
    }): void;
    gotoUrl(pageName: string): void;
    getInitials(value: string): string;
    getNumAndLetterMask(howMany: number, numericOnly?: boolean, withAcceptableChars?: {
        char: string;
        includeAlsoFirstAndLast?: boolean;
    }): any[];
    decrypt(value: any): string;
    encrypt(value: any, keys: string): string;
    arrayFilterDistinct(toFilter?: {
        arr: any[];
        byId?: string | string[];
        mapper?: {
            field: string;
            func?: "sum" | "diff";
        }[];
    }): any[];
    arraySortBy(toSort: {
        arr: any[];
        byId?: string;
    }): any[];
    arrayFilter(value: any, key: string, arrayName: any[]): any[];
    dateMask(show: boolean): {
        guide: boolean;
        showMask: boolean;
        mask: (string | RegExp)[];
    };
    convertUTCDateToLocalDate(date: any, localeFormat?: string): string;
    transformDate(date: any, format: string, locale?: string): string;
    pipeDate(date: any, format: string, locale: string, tz?: string, alreadyDate?: boolean): any;
    pipeDecimal(num: number, locale: string, digitsInfo?: string): string;
    plural(count: number, plural?: string, singular?: any): string;
    isNotEmpty(value: any): boolean;
    getCircularReplacer(): (key: any, value: any) => any;
    toFormControl(formControlTemplate: any, value?: any): UntypedFormControl;
    toFormGroup(formTemplate: any): UntypedFormGroup;
    toFormData(formValue: any, isMultiple?: boolean, ref?: string): FormData;
    fieldValue(p: {
        [field: string]: any;
    }): any;
    mergeArrays(destination?: any[], source?: any[], byId?: string): any[];
    ValidationRules: {
        inValidIf: (fn: (ctrl: AbstractControl) => boolean, customError: any) => ValidatorFn;
        uniqueInForm: (checkOnlyChanged?: boolean, key?: string, label?: string) => ValidatorFn;
    };
    isResponseObj(obj: any): obj is ResponseObj<any>;
    isGridResponse(obj: any): obj is GridResponse;
    private isArrayOf;
    isArrayOfObject(obj: any): obj is any[];
    isArrayOfString(obj: any): obj is string[];
    isArrayOfNumber(obj: any): obj is string[];
    isApiCallParams(obj: any): obj is ApiCallParams;
    stripHtml(html: any): string;
    filterUnique(array: any[], byField?: string): any[];
    static ɵfac: i0.ɵɵFactoryDeclaration<HelperService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HelperService>;
}