public Map<String, String> getCreateOptions() {
        return createOptions;
    }
When creating a docker-machine, the map of createOptions for the driver.
Do not include the '--' portion of the option name.  For options without values, leave the value text empty.
e.g. --virtualbox-cpu-count 1 --virtualbox-no-share would be written as:<code>
&lt;virtualbox-cpu-count&gt;1&lt;/virtualbox-cpu-count&gt;
&lt;virtualbox-no-share/&gt;
</code>
src/main/java/io/fabric8/maven/docker/config/DockerMachineConfiguration.java