code: public final ListSourcesPagedResponse listSources(OrganizationName parent) {
      ListSourcesRequest request =
          ListSourcesRequest.newBuilder()
              .setParent(parent == null ? null : parent.toString())
              .build();
      return listSources(request);
    }
docs: Lists all sources belonging to an organization.
  
  <p>Sample code:
  
  <pre><code>
  try (SecurityCenterClient securityCenterClient = SecurityCenterClient.create()) {
  OrganizationName parent = OrganizationName.of("[ORGANIZATION]");
  for (Source element : securityCenterClient.listSources(parent).iterateAll()) {
  // doThingsWith(element);
  }
  }
  </code></pre>
  
  @param parent Resource name of the parent of sources to list. Its format should be
  "organizations/[organization_id]".
  @throws com.google.api.gax.rpc.ApiException if the remote call fails