const (
	tlsClientSessionCacheSize = 100
)

var replicateKeyID = sync.OnceValue(func() bool {
	if v, ok := os.LookupEnv(EnvKMSReplicateKeyID); ok && strings.ToLower(v) == "off" {
		return false
	}
	return true // by default, replicating KMS key IDs is enabled
})

// ReplicateKeyID reports whether KMS key IDs should be included when