FileTree getSource();

    /**
     * Returns the source files of this copy spec and all of its children.
     */
    FileTree getAllSource();

    Collection<? extends Action<? super FileCopyDetails>> getAllCopyActions();

    List<String> getAllIncludes();

    List<String> getAllExcludes();

    List<Spec<FileTreeElement>> getAllIncludeSpecs();

    List<Spec<FileTreeElement>> getAllExcludeSpecs();

        @Override
        public Collection<? extends Action<? super FileCopyDetails>> getAllCopyActions() {
            if (parentResolver == null) {
                return copyActions;
            }
            List<Action<? super FileCopyDetails>> allActions = new ArrayList<>();
            allActions.addAll(parentResolver.getAllCopyActions());
            allActions.addAll(copyActions);
            return allActions;
        }