import { ValidationArguments, ValidationOptions, ValidatorConstraintInterface } from 'class-validator';
export declare function IsPhoneVietNam(validationOptions?: ValidationOptions): (object: any, propertyName: string) => void;
export declare class IsPhoneVietNamConstraint implements ValidatorConstraintInterface {
    validate(value: any, validationArguments?: ValidationArguments): boolean;
    defaultMessage(validationArguments?: ValidationArguments): string;
}
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