public void setConfigurationManager(StackConfigurationManager configurationManager) {
        this.configurationManager = configurationManager;
    }
<p>
The configuration manager. When you create a stack we recommend that you use the configuration manager to specify
the Chef version: 12, 11.10, or 11.4 for Linux stacks, or 12.2 for Windows stacks. The default value for Linux
stacks is currently 12.
</p>

@param configurationManager
       The configuration manager. When you create a stack we recommend that you use the configuration manager to
       specify the Chef version: 12, 11.10, or 11.4 for Linux stacks, or 12.2 for Windows stacks. The default
       value for Linux stacks is currently 12.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/CreateStackRequest.java