const cloud.google.com/go/compute/metadata.metadataHostEnv

3 uses

	cloud.google.com/go/compute/metadata (current package)
		metadata.go#L46: 	metadataHostEnv = "GCE_METADATA_HOST"
		metadata.go#L119: 	if os.Getenv(metadataHostEnv) != "" {
		metadata.go#L290: 	host := os.Getenv(metadataHostEnv)

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