@Override
            public ListWorkstationClustersRequest injectPageSize(
                ListWorkstationClustersRequest payload, int pageSize) {
              return ListWorkstationClustersRequest.newBuilder(payload)
                  .setPageSize(pageSize)
                  .build();
            }
The default scopes of the service.
java-workstations/google-cloud-workstations/src/main/java/com/google/cloud/workstations/v1beta/stub/WorkstationsStubSettings.java