gutter.setFoldIndicatorForeground(foldIndicatorFG); gutter.setFoldBackground(foldBG); gutter.setArmedFoldBackground(armedFoldBG);
gutter.setFoldIndicatorForeground(Color.orange); gutter.setFoldBackground(Color.orange); gutter.setArmedFoldBackground(Color.orange);
gutter.setFoldIndicatorForeground(foldIndicatorFG); gutter.setFoldBackground(foldBG); gutter.setArmedFoldBackground(armedFoldBG);