Mark isEmpty method in Node class as [[nodiscard]] and const to enforce proper usage and ensure immutability.
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@ -13,7 +13,7 @@ public:
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m_y2 = y2;
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}
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bool isEmpty() {
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[[nodiscard]] bool isEmpty() const {
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return m_x1 < 0 && m_y1 < 0 && m_x2 < 0 && m_y2 < 0 && text.isEmpty() && className.isEmpty();
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}
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