public sealed class ClusterEncryptionConfigProvider
Amazon Resource Name (ARN) of the Key Management Service (KMS) customer master key (CMK). The CMK must be symmetric, created in the same region as the cluster, and if the CMK was created in a different account, the user must have access to the CMK. For more information, see Allowing Users in Other Accounts to Use a CMK in the AWS Key Management Service Developer Guide.
public readonly string KeyArn