import { FormArray, FormGroup, ValidatorFn } from "@angular/forms";
export declare function NoWhitespacesValidator(): ValidatorFn;
export declare class FormValidation {
    getFormFieldValidators(field: any): any[];
    getFormFieldsValidationErrors(formGroup: FormGroup): {
        name: string;
        value: string;
    }[];
    getFormFieldsInvalidControls(formToInvestigate: FormGroup | FormArray): any[];
}