public Integer getListenerPort() {
        return this.listenerPort;
    }
<p>
The listener port of the AWS Mainframe Modernization non-managed application step input.
</p>

@return The listener port of the AWS Mainframe Modernization non-managed application step input.
aws-java-sdk-apptest/src/main/java/com/amazonaws/services/apptest/model/M2NonManagedApplicationStepInput.java