void (@NotNull PsiAssignmentExpression expression) { final PsiExpression lExpression = expression.getLExpression(); if (lExpression instanceof PsiJavaReference && ((PsiJavaReference)lExpression).isReferenceTo(field)) { final PsiExpression rExpression = expression.getRExpression(); if (rExpression != null) { assignmentExpressions.add(expression); } } super.visitAssignmentExpression(expression); }