public UpdateStackRequest withConfigurationManager(StackConfigurationManager configurationManager) {
        setConfigurationManager(configurationManager);
        return this;
    }
<p>
The configuration manager. When you update 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 update 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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/UpdateStackRequest.java