boolean (@NotNull Editor editor, @NotNull RangeHighlighter highlighter) { int startOffset = highlighter instanceof RangeHighlighterEx ? ((RangeHighlighterEx)highlighter).getAffectedAreaStartOffset() : highlighter.getStartOffset(); int endOffset = highlighter instanceof RangeHighlighterEx ? ((RangeHighlighterEx)highlighter).getAffectedAreaEndOffset() : highlighter.getEndOffset(); return isTextRangeFolded(editor, new TextRange(startOffset, endOffset)); }