default void rollbackDeployment(
        com.google.cloud.telcoautomation.v1alpha1.RollbackDeploymentRequest request,
        io.grpc.stub.StreamObserver<com.google.cloud.telcoautomation.v1alpha1.Deployment>
            responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
          getRollbackDeploymentMethod(), responseObserver);
    }
<pre>
Rollback the active deployment to the given past approved deployment
revision.
</pre>
java-telcoautomation/grpc-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/TelcoAutomationGrpc.java