boolean (PsiElement element, PsiVariable variable) { PsiExpressionStatement expressionStatement = tryCast(element, PsiExpressionStatement.class); if (expressionStatement == null) return false; PsiAssignmentExpression assignmentExpression = tryCast(expressionStatement.getExpression(), PsiAssignmentExpression.class); if (assignmentExpression == null) return false; if (assignmentExpression.getRExpression() == null) return false; return ExpressionUtils.isReferenceTo(assignmentExpression.getLExpression(), variable); }