import { FieldConstraintProcedureOptions } from "../../../models/interfaces/field-constraint-procedure-options";
import { FieldConstraintFn } from "../../../models/interfaces/field-constraint-fn";
export declare const LENGTH = "length";
export declare const length: FieldConstraintFn<{
    len: number;
    min: number;
    max: number;
}>;
export declare const lengthMessageBuilder: ({ fieldName }: {
    fieldName: any;
}) => string;
export declare function Length(len: number, options?: FieldConstraintProcedureOptions): PropertyDecorator;
export declare function Length(min: number, max: number, options?: FieldConstraintProcedureOptions): PropertyDecorator;