import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';
import * as i0 from "@angular/core";
export declare type ValidatorGetter = (args: any[]) => ValidatorFn;
export declare class ValidationService {
    constructor();
    getValidatorByKey(validatorName: string, errorKeyOverride?: string, args?: any[]): (control: any) => ValidationErrors;
    registerValidator(key: string, validatorGetter: ValidatorGetter): void;
    getValidatorList(): {
        key: string;
        validator: ValidatorGetter;
    }[];
    static ɵfac: i0.ɵɵFactoryDef<ValidationService, never>;
    static ɵprov: i0.ɵɵInjectableDef<ValidationService>;
}
export declare function numeric(control: AbstractControl): ValidationErrors;
export declare function alphaNumeric(control: AbstractControl): ValidationErrors;
export declare function _testRegex(control: AbstractControl, pattern: RegExp, error: any): {
    [x: number]: boolean;
};