*/
public class OutputEventTransformer implements OutputEventListener {
    // A map from progress operation id seen in event -> progress operation id that should be forwarded

    private final ListenerBroadcast<OutputEventListener> formatters = new ListenerBroadcast<OutputEventListener>(OutputEventListener.class);
    private final OutputEventTransformer transformer = new OutputEventTransformer(formatters.getSource(), lock);

    private ColorMap colourMap;
    private OutputStream originalStdOut;
    private OutputStream originalStdErr;
    private OutputEventListener stdOutListener;

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