"metadata": {
            "ISTIO_PROXY_SHA": "ee85c5f28702f00621aed895915fca565796b9e4",
            "ISTIO_VERSION": "1.21.0-1226",
            "metadata": {
              "build.type": "RELEASE",
              "build.label": "dev",
              "revision.sha": "ee85c5f28702f00621aed895915fca565796b9e4",
              "revision.status": "Clean",
              "ssl.version": "BoringSSL"
            }
          }

  // returned.
  // +k8s:conversion-gen=false
  // +optional
  optional Preconditions preconditions = 2;

  // Deprecated: please use the PropagationPolicy, this field will be deprecated in 1.7.
  // Should the dependent objects be orphaned. If true/false, the "orphan"
  // finalizer will be added to/removed from the object's finalizers list.