import { FormControl, ValidationErrors, FormGroup, AbstractControl } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class ValidatorsService {
    firstNameAndLastnamePattern: string;
    emailPattern: string;
    cantBeStrider: (control: FormControl) => ValidationErrors | null;
    isValidField(form: FormGroup, field: string): boolean | null;
    getErrorMessage(form: FormGroup, field: string): string;
    private getControlErrorMessage;
    isFieldOneEqualFieldTwo(field1: string, field2: string): (formGroup: AbstractControl) => ValidationErrors | null;
    getError(form: FormGroup, field: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<ValidatorsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ValidatorsService>;
}
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