code: public Observable<DomainOwnershipIdentifierInner> getOwnershipIdentifierAsync(String resourceGroupName, String domainName, String name) {
          return getOwnershipIdentifierWithServiceResponseAsync(resourceGroupName, domainName, name).map(new Func1<ServiceResponse<DomainOwnershipIdentifierInner>, DomainOwnershipIdentifierInner>() {
              @Override
              public DomainOwnershipIdentifierInner call(ServiceResponse<DomainOwnershipIdentifierInner> response) {
                  return response.body();
              }
          });
      }
docs: Get ownership identifier for domain.
  Get ownership identifier for domain.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param domainName Name of domain.
  @param name Name of identifier.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DomainOwnershipIdentifierInner object