default void renewLease(
        com.google.cloud.tasks.v2beta2.RenewLeaseRequest request,
        io.grpc.stub.StreamObserver<com.google.cloud.tasks.v2beta2.Task> responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getRenewLeaseMethod(), responseObserver);
    }
<pre>
Renew the current lease of a pull task.
The worker can use this method to extend the lease by a new
duration, starting from now. The new task lease will be
returned in the task's
[schedule_time][google.cloud.tasks.v2beta2.Task.schedule_time].
</pre>
java-tasks/grpc-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/CloudTasksGrpc.java