code: public NameAvailabilityResponseInner checkChildrenNameAvailability(String groupName, String serviceName, NameAvailabilityRequest parameters) {
          return checkChildrenNameAvailabilityWithServiceResponseAsync(groupName, serviceName, parameters).toBlocking().single().body();
      }
docs: Check nested resource name validity and availability.
  This method checks whether a proposed nested resource name is valid and available.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @param parameters Requested name to validate
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws ApiErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the NameAvailabilityResponseInner object if successful.