/**
 * An adapter for {@link InternalCancellableConnection}.
 *
 * <p>Used for providers &gt;= 2.1.</p>
 */
public class CancellableConsumerConnection extends AbstractPost12ConsumerConnection {
    private final ActionRunner actionRunner;
    private final ModelProducer modelProducer;

    public CancellableConsumerConnection(ConnectionVersion4 delegate, ModelMapping modelMapping, ProtocolToModelAdapter adapter) {

import org.gradle.tooling.internal.protocol.StoppableConnection;

/**
 * <p>Used for providers &gt;= 2.2.</p>
 */
public class ShutdownAwareConsumerConnection extends CancellableConsumerConnection {
    public ShutdownAwareConsumerConnection(ConnectionVersion4 delegate, ModelMapping modelMapping, ProtocolToModelAdapter adapter) {
        super(delegate, modelMapping, adapter);
    }

    @Override

InternalConnectionBackedConsumerConnection.java: 1.0m8 - 1.1
BuildActionRunnerBackedConsumerConnection: 1.2 - 1.5
ModelBuilderBackedConsumerConnection.java: 1.6 - 1.7
ActionAwareConsumerConnection.java: 1.8 - 2.0
CancellableConsumerConnection.java: 2.1 -

THIS is the cross-version boundary
end note
LazyConsumer -> Connection: run()
Connection --> User: result

            getVersion() >> "2.1"
        }
    }
    final adapter = Mock(ProtocolToModelAdapter)
    final modelMapping = Mock(ModelMapping)
    final connection = new CancellableConsumerConnection(target, modelMapping, adapter)

    def "describes capabilities of provider"() {
        given:
        def details = connection.versionDetails

        expect: