public final UnaryCallable<AcquireLeaseRequest, Lease> acquireLeaseCallable() {
    return stub.acquireLeaseCallable();
  }
AcquireLease acquires a lease.

<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 (StreamingServiceClient streamingServiceClient = StreamingServiceClient.create()) {
  AcquireLeaseRequest request =
      AcquireLeaseRequest.newBuilder()
          .setSeries("series-905838985")
          .setOwner("owner106164915")
          .setTerm(Duration.newBuilder().build())
          .setLeaseType(LeaseType.forNumber(0))
          .build();
  ApiFuture<Lease> future = streamingServiceClient.acquireLeaseCallable().futureCall(request);
  // Do something.
  Lease response = future.get();
}
}</pre>
java-visionai/google-cloud-visionai/src/main/java/com/google/cloud/visionai/v1/StreamingServiceClient.java