code: function preventDouble(validator) {
    return function validate(props, propName, ...others) {
      let err = validator(props, propName, ...others);
      if (err && props.__superSecreteProp) {
        err = null;
      }
  
      return err;
    };
  }
docs: Prevents a second warning from appearing when using the deprecated or a11y required
  props by using the `__superSecretProp`.... So secret!