public String getKmsKeyId() {
        return this.kmsKeyId;
    }
<p>
If <code>StorageEncrypted</code> is enabled, the Amazon Web Services KMS key identifier for the encrypted DB
instance.
</p>
<p>
The Amazon Web Services KMS key identifier is the key ARN, key ID, alias ARN, or alias name for the KMS key.
</p>

@return If <code>StorageEncrypted</code> is enabled, the Amazon Web Services KMS key identifier for the encrypted
        DB instance.</p>
        <p>
        The Amazon Web Services KMS key identifier is the key ARN, key ID, alias ARN, or alias name for the KMS
        key.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBInstance.java