code: public final ListDataSourcesPagedResponse listDataSources(String parent) {
      ListDataSourcesRequest request = ListDataSourcesRequest.newBuilder().setParent(parent).build();
      return listDataSources(request);
    }
docs: Lists supported data sources and returns their settings, which can be used for UI rendering.
  
  <p>Sample code:
  
  <pre><code>
  try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) {
  ParentName parent = ProjectName.of("[PROJECT]");
  for (DataSource element : dataTransferServiceClient.listDataSources(parent.toString()).iterateAll()) {
  // doThingsWith(element);
  }
  }
  </code></pre>
  
  @param parent The BigQuery project id for which data sources should be returned. Must be in the
  form: `projects/{project_id}`
  @throws com.google.api.gax.rpc.ApiException if the remote call fails