public void setKeyId(String keyId) {
        this.keyId = keyId;
    }
<p>
The Amazon Resource Name (<a
href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#key-id-key-ARN">key ARN</a>) of the KMS
key that was used to decrypt the ciphertext.
</p>

@param keyId
       The Amazon Resource Name (<a
       href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#key-id-key-ARN">key ARN</a>) of
       the KMS key that was used to decrypt the ciphertext.
aws-java-sdk-kms/src/main/java/com/amazonaws/services/kms/model/DecryptResult.java