code: public ServiceFuture<ValidateResponseInner> validateAsync(String resourceGroupName, ValidateRequest validateRequest, final ServiceCallback<ValidateResponseInner> serviceCallback) {
          return ServiceFuture.fromResponse(validateWithServiceResponseAsync(resourceGroupName, validateRequest), serviceCallback);
      }
docs: Validate if a resource can be created.
  Validate if a resource can be created.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param validateRequest Request with the resources to validate.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object