https://docs.cloud.google.com/nodejs/docs/reference/vmmigration/latest/vmmigration/protos.google.cloud.vmmigration.v1.shuttingdownsourcevmstep
Class protos.google.cloud.vmmigration.v1.ShuttingDownSourceVMStep (4.1.0) | Node.js client...
https://docs.cloud.google.com/php/docs/reference/cloud-vm-migration/latest/V1.ShuttingDownSourceVMStep
Google Cloud Vm Migration V1 Client - Class ShuttingDownSourceVMStep (1.4.0) | PHP client libraries...