gistfile1.txt

    @SuppressWarnings("UnnecessaryLocalVariable") // Local variable to store meaning of condition
    @Override
    public boolean isSupportedFavorite() {
        boolean isNotLibraryRootFileEntity = fileEntityStack != null
                && fileEntityStack.size() >= 1
                && !fileEntityStack.peek().equals(library.getRootFileEntity());
        return isNotLibraryRootFileEntity;
    }