code: public BoxRequestsMetadata.GetMetadataTemplates getMetadataTemplatesRequest() {
          BoxRequestsMetadata.GetMetadataTemplates request = new BoxRequestsMetadata.GetMetadataTemplates(getMetadataTemplatesUrl(), mSession);
          return request;
      }
docs: Gets a request that retrieves available metadata templates under the enterprise scope
  
  @return  request to retrieve available metadata templates