default void startMigration(
        com.google.cloud.vmmigration.v1.StartMigrationRequest request,
        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
          getStartMigrationMethod(), responseObserver);
    }
<pre>
Starts migration for a VM. Starts the process of uploading
data and creating snapshots, in replication cycles scheduled by the policy.
</pre>
java-vmmigration/grpc-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/VmMigrationGrpc.java