import { IErrorMessages, InternalMode } from './form-field.model';
import { ValidationErrors, ValidatorFn } from '@angular/forms';
export declare function isStandalone(internalMode: InternalMode): boolean;
export declare function isNgModel(internalMode: InternalMode): boolean;
export declare function isFormControl(internalMode: InternalMode): boolean;
export declare function isFormControlName(internalMode: InternalMode): boolean;
export declare function concatAllErrorMessages(errors: ValidationErrors, errorMessages?: IErrorMessages | null): string;
export declare function findFirstErrorMessage(errors: ValidationErrors, errorMessages?: IErrorMessages | null): string;
export declare function buildAlwaysFalseValidator(message: string): ValidatorFn;
export declare function sanitizeStringValue(value: any): any;
export declare function sanitizeNumberValue(value: any): any;