override fun childReplaced(event: PsiTreeChangeEvent) {}

    override fun childrenChanged(event: PsiTreeChangeEvent) {}

    override fun childMoved(event: PsiTreeChangeEvent) {}

    override fun propertyChanged(event: PsiTreeChangeEvent) {}

import org.gradle.api.Describable;

import java.util.stream.Stream;

public class PropertyChanges implements ChangeContainer {

    private final ImmutableSortedSet<String> previous;
    private final ImmutableSortedSet<String> current;
    private final String title;
    private final Describable executable;

    public PropertyChanges(
        ImmutableSortedSet<String> previous,
        ImmutableSortedSet<String> current,

            currentImplementation, currentAdditionalImplementations,
            executable);

        // Capture non-file input changes
        ChangeContainer inputPropertyChanges = new PropertyChanges(
            lastExecution.getInputProperties().keySet(),
            thisExecution.getInputProperties().keySet(),
            "Input",
            executable);

        ObservableMap map = new ObservableMap(getProject().getProperties());
        map.addPropertyChangeListener(new PropertyChangeListener() {
            @Override
            public void propertyChange(PropertyChangeEvent event) {
                doSetProperty(event.getPropertyName(), event.getNewValue());
            }
        });