public void setContainerInstance(String containerInstance) {
        this.containerInstance = containerInstance;
    }
<p>
The container instance ID or full ARN of the container instance. For more information about the ARN format, see
<a href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-account-settings.html#ecs-resource-ids">
Amazon Resource Name (ARN)</a> in the <i>Amazon ECS Developer Guide</i>.
</p>

@param containerInstance
       The container instance ID or full ARN of the container instance. For more information about the ARN
       format, see <a href=
       "https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-account-settings.html#ecs-resource-ids"
       >Amazon Resource Name (ARN)</a> in the <i>Amazon ECS Developer Guide</i>.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/DiscoverPollEndpointRequest.java