public void setEncryptionKey(String encryptionKey) {
        this.encryptionKey = encryptionKey;
    }
<p>
The key used to encrypt the domain.
</p>

@param encryptionKey
       The key used to encrypt the domain.
aws-java-sdk-codeartifact/src/main/java/com/amazonaws/services/codeartifact/model/DomainSummary.java