public CreateContainerGroupDefinitionRequest withOperatingSystem(ContainerOperatingSystem operatingSystem) {
        this.operatingSystem = operatingSystem.toString();
        return this;
    }
<p>
The platform that is used by containers in the container group definition. All containers in a group must run on
the same operating system.
</p>

@param operatingSystem
       The platform that is used by containers in the container group definition. All containers in a group must
       run on the same operating system.
@return Returns a reference to this object so that method calls can be chained together.
@see ContainerOperatingSystem
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/CreateContainerGroupDefinitionRequest.java