public void setKeyUsage(KeyUsage keyUsage) {
        this.keyUsage = keyUsage;
    }
<p>
The key usage extension defines the purpose (e.g., encipherment, signature, certificate signing) of the key
contained in the certificate.
</p>

@param keyUsage
       The key usage extension defines the purpose (e.g., encipherment, signature, certificate signing) of the
       key contained in the certificate.
aws-java-sdk-pcaconnectorad/src/main/java/com/amazonaws/services/pcaconnectorad/model/ExtensionsV2.java