* progress of operations.
 *
 * <p>This listener forwards nothing unless it receives periodic {@link UpdateNowEvent} clock events.</p>
 */
public class GroupingProgressLogEventGenerator implements OutputEventListener {
    private static final long HIGH_WATERMARK_FLUSH_TIMEOUT = TimeUnit.SECONDS.toMillis(30);
    private static final long LOW_WATERMARK_FLUSH_TIMEOUT = TimeUnit.SECONDS.toMillis(2);

        def updateNowEvent = new UpdateNowEvent(olderTimestamp + GroupingProgressLogEventGenerator.HIGH_WATERMARK_FLUSH_TIMEOUT + 10)
        def taskCompleteEvent = new ProgressCompleteEvent(taskStartEvent.progressOperationId, olderTimestamp + GroupingProgressLogEventGenerator.HIGH_WATERMARK_FLUSH_TIMEOUT + 10, "STATUS", false)
        def listener = new GroupingProgressLogEventGenerator(downstreamListener, logHeaderFormatter, verbose)

        when:

import org.gradle.integtests.fixtures.console.AbstractConsoleGroupedTaskFunctionalTest
import org.gradle.integtests.fixtures.executer.GradleHandle
import org.gradle.internal.logging.sink.GroupingProgressLogEventGenerator
import org.gradle.test.fixtures.ConcurrentTestUtil
import org.gradle.test.fixtures.server.http.BlockingHttpServer
import org.gradle.test.precondition.Requires

                new BuildStatusRenderer(
                    new WorkInProgressRenderer(
                        new BuildLogLevelFilterRenderer(
                            new GroupingProgressLogEventGenerator(consoleListener, new PrettyPrefixedLogHeaderFormatter(), verbose)
                        ),
                        console.getBuildProgressArea(),

Class <org.gradle.internal.logging.sink.GroupingProgressLogEventGenerator$OperationGroup> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (GroupingProgressLogEventGenerator.java:0)
Class <org.gradle.internal.logging.sink.GroupingProgressLogEventGenerator$OperationState> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (GroupingProgressLogEventGenerator.java:0)