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#ifndef _LED_H_
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#define _LED_H_
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class Led {
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public:
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virtual ~Led() = default;
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// Set the led state based on the device state
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virtual void OnStateChanged() = 0;
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};
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class NoLed : public Led {
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public:
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virtual void OnStateChanged() override {}
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};
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#endif // _LED_H_
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