boolean (GroovyPsiElement element) { if (element instanceof GrExpression) { PsiElement parent = PsiTreeUtil.skipParentsOfType(element, GrParenthesizedExpression.class); if (parent instanceof GrTuple) return true; return parent instanceof GrAssignmentExpression && PsiTreeUtil.isAncestor(((GrAssignmentExpression)parent).getLValue(), element, false); } return false; }