import { ValidationArguments, ValidatorConstraintInterface } from 'class-validator';
export declare class Mint721BuiltInPrivateKeyValidator implements ValidatorConstraintInterface {
    private message;
    defaultMessage(validationArguments?: ValidationArguments): string;
    validate(value: any, validationArguments?: ValidationArguments): boolean;
    private validateNonBuiltInPrivateKey;
    private validateRequiredFields;
}