when:
        watchingVirtualFileSystem.afterBuildStarted(WatchMode.ENABLED, VfsLogging.NORMAL, WatchLogging.NORMAL, buildOperationRunner)
        then:
        1 * watcherRegistryFactory.createFileWatcherRegistry(_) >> watcherRegistry
        1 * watcherRegistry.updateVfsOnBuildStarted(_, _, _) >> watchingVirtualFileSystem.root
        1 * watcherRegistry.setDebugLoggingEnabled(false)
        0 * _

        when:

 */

package org.gradle.internal.watch.registry;

public interface FileWatcherRegistryFactory {
    /**
     * Create the file watcher registry.
     */
    FileWatcherRegistry createFileWatcherRegistry(FileWatcherRegistry.ChangeHandler handler);

    ) {
        this.fileEventFunctions = fileEventFunctions;
        this.immutableLocationsFilter = immutableLocationsFilter;
    }

    @Override
    public FileWatcherRegistry createFileWatcherRegistry(FileWatcherRegistry.ChangeHandler handler) {
        BlockingQueue<FileWatchEvent> fileEvents = new ArrayBlockingQueue<>(FILE_EVENT_QUEUE_SIZE);
        try {
            // TODO How can we avoid hard-coding ".gradle" here?

    @CheckReturnValue
    private SnapshotHierarchy startWatching(SnapshotHierarchy currentRoot, WatchMode watchMode, List<File> unsupportedFileSystems) {
        try {
            watchRegistry = watcherRegistryFactory.createFileWatcherRegistry(new FilterChangesToOutputsChangesHandler(locationsWrittenByCurrentBuild,
                new CompositeChangeHandler(
                    new InvalidateVfsChangeHandler(),