/**
 * Detail included in {@link OperationProgressEvent} instances to indicate some general progress of the build operation.
 */
public class OperationProgressDetails {
    private final long progress;
    private final long total;
    private final String units;

    public OperationProgressDetails(long progress, long total, String units) {
        this.progress = progress;
        this.total = total;
        this.units = units;
    }

    public InternalProgressEvent createProgressEvent(DefaultFileDownloadDescriptor descriptor, OperationProgressEvent progressEvent) {
        if (progressEvent.getDetails() instanceof OperationProgressDetails) {
            OperationProgressDetails details = (OperationProgressDetails) progressEvent.getDetails();
            return new DefaultStatusEvent(progressEvent.getTime(), descriptor, details.getProgress(), details.getTotal(), details.getUnits());
        } else {

                }

                private void verify(Object obj, String suffix = null) {
                    if (obj.getClass().getName().equals("org.gradle.internal.operations.OperationProgressDetails")) {
                        // This progress notification is emitted by Gradle itself.
                        return;
                    }
                    def matchingInterfaces = findPublicInterfaces(obj, suffix)

        progress(descriptor, status);
        buildOperationListener.progress(descriptor.getId(), new OperationProgressEvent(clock.getCurrentTime(), new OperationProgressDetails(progress, total, units)));
    }

    @Override