public final UnaryCallable<ListProductSetsRequest, ListProductSetsPagedResponse>
      listProductSetsPagedCallable() {
    return stub.listProductSetsPagedCallable();
  }
Lists ProductSets in an unspecified order.

<p>Possible errors:

<ul>
  <li>Returns INVALID_ARGUMENT if page_size is greater than 100, or less than 1.
</ul>

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (ProductSearchClient productSearchClient = ProductSearchClient.create()) {
  ListProductSetsRequest request =
      ListProductSetsRequest.newBuilder()
          .setParent(LocationName.of("[PROJECT]", "[LOCATION]").toString())
          .setPageSize(883849137)
          .setPageToken("pageToken873572522")
          .build();
  ApiFuture<ProductSet> future =
      productSearchClient.listProductSetsPagedCallable().futureCall(request);
  // Do something.
  for (ProductSet element : future.get().iterateAll()) {
    // doThingsWith(element);
  }
}
}</pre>
java-vision/google-cloud-vision/src/main/java/com/google/cloud/vision/v1p3beta1/ProductSearchClient.java