boolean (GroovyPsiElement body) { if (!(body instanceof GrBlockStatement block)) { return false; } final GrOpenBlock openBlock = block.getBlock(); final PsiElement brace = openBlock.getLBrace(); if (brace == null) return false; final PsiElement nextNonWhitespace = PsiUtil.skipWhitespaces(brace.getNextSibling(), true); return nextNonWhitespace == openBlock.getRBrace(); }