code: public Observable<ProviderOperationsMetadataInner> getAsync(String resourceProviderNamespace, String apiVersion) {
          return getWithServiceResponseAsync(resourceProviderNamespace, apiVersion).map(new Func1<ServiceResponse<ProviderOperationsMetadataInner>, ProviderOperationsMetadataInner>() {
              @Override
              public ProviderOperationsMetadataInner call(ServiceResponse<ProviderOperationsMetadataInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets provider operations metadata for the specified resource provider.
  
  @param resourceProviderNamespace The namespace of the resource provider.
  @param apiVersion The API version to use for the operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ProviderOperationsMetadataInner object