code: public Observable<DomainSharedAccessKeysInner> listSharedAccessKeysAsync(String resourceGroupName, String domainName) {
          return listSharedAccessKeysWithServiceResponseAsync(resourceGroupName, domainName).map(new Func1<ServiceResponse<DomainSharedAccessKeysInner>, DomainSharedAccessKeysInner>() {
              @Override
              public DomainSharedAccessKeysInner call(ServiceResponse<DomainSharedAccessKeysInner> response) {
                  return response.body();
              }
          });
      }
docs: List keys for a domain.
  List the two keys used to publish to a domain.
  
  @param resourceGroupName The name of the resource group within the user's subscription.
  @param domainName Name of the domain
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the DomainSharedAccessKeysInner object