text: const Constraint = Jymfony.Component.Validator.Constraint;
  
  export default class ConstraintA extends Constraint {
      __construct(options = null) {
          this.property1 = undefined;
          this.property2 = undefined;
          return super.__construct(options);
      }
  
      get defaultOption() {
          return 'property2';
      }
  
      get targets() {
          return [ __self.PROPERTY_CONSTRAINT, __self.CLASS_CONSTRAINT ];
      }
  }
  