public String getProtocol() {
        return this.protocol;
    }
<p>
Sets the MQTT protocol that is configured in the suite definition.
</p>

@return Sets the MQTT protocol that is configured in the suite definition.
@see Protocol
aws-java-sdk-iotdeviceadvisor/src/main/java/com/amazonaws/services/iotdeviceadvisor/model/SuiteDefinitionConfiguration.java