Mark configurable classes as final (9/21) (#16960)

esphome/components/internal_temperature/internal_temperature.h

@@ -11,7 +11,7 @@
 
 namespace esphome::internal_temperature {
 
-class InternalTemperatureSensor : public sensor::Sensor, public PollingComponent {
+class InternalTemperatureSensor final : public sensor::Sensor, public PollingComponent {
  public:
 #if defined(USE_ESP32) || (defined(USE_ZEPHYR) && defined(USE_NRF52))
   void setup() override;

esphome/components/interval/interval.h

@@ -6,7 +6,7 @@
 
 namespace esphome::interval {
 
-class IntervalTrigger : public Trigger<>, public PollingComponent {
+class IntervalTrigger final : public Trigger<>, public PollingComponent {
  public:
   void update() override { this->trigger(); }
 

esphome/components/ir_rf_proxy/ir_rf_proxy.h

@@ -18,7 +18,7 @@ namespace esphome::ir_rf_proxy {
 
 #ifdef USE_IR_RF
 /// IrRfProxy - Infrared platform implementation using remote_transmitter/receiver as backend
-class IrRfProxy : public infrared::Infrared {
+class IrRfProxy final : public infrared::Infrared {
  public:
   IrRfProxy() = default;
 
@@ -47,7 +47,7 @@ class IrRfProxy : public infrared::Infrared {
 /// Driver-agnostic: integration with specific RF front-end chips (CC1101, RFM69, etc.) is done
 /// in YAML by wiring their actions to `remote_transmitter`'s on_transmit/on_complete triggers and
 /// to this entity's on_control trigger (see radio_frequency component docs).
-class RfProxy : public radio_frequency::RadioFrequency {
+class RfProxy final : public radio_frequency::RadioFrequency {
  public:
   RfProxy() = default;
 

esphome/components/jsn_sr04t/jsn_sr04t.h

@@ -13,7 +13,7 @@ enum Model {
   AJ_SR04M,
 };
 
-class Jsnsr04tComponent : public sensor::Sensor, public PollingComponent, public uart::UARTDevice {
+class Jsnsr04tComponent final : public sensor::Sensor, public PollingComponent, public uart::UARTDevice {
  public:
   void set_model(Model model) { this->model_ = model; }
 

esphome/components/kamstrup_kmp/kamstrup_kmp.h

@@ -73,7 +73,7 @@ static const char *const UNITS[] = {
     "mm:dd", "",     "bar",  "RTC",   "ASCII",   "m3 x 10", "ton x 10", "GJ x 10",  "minutes",  "Bitfield",
     "s",     "ms",   "days", "RTC-Q", "Datetime"};
 
-class KamstrupKMPComponent : public PollingComponent, public uart::UARTDevice {
+class KamstrupKMPComponent final : public PollingComponent, public uart::UARTDevice {
  public:
   void set_heat_energy_sensor(sensor::Sensor *sensor) { this->heat_energy_sensor_ = sensor; }
   void set_power_sensor(sensor::Sensor *sensor) { this->power_sensor_ = sensor; }

esphome/components/key_collector/key_collector.h

@@ -7,7 +7,7 @@
 
 namespace esphome::key_collector {
 
-class KeyCollector : public Component {
+class KeyCollector final : public Component {
  public:
   void loop() override;
   void dump_config() override;
@@ -54,11 +54,11 @@ class KeyCollector : public Component {
   bool enabled_{};
 };
 
-template<typename... Ts> class EnableAction : public Action<Ts...>, public Parented<KeyCollector> {
+template<typename... Ts> class EnableAction final : public Action<Ts...>, public Parented<KeyCollector> {
   void play(const Ts &...x) override { this->parent_->set_enabled(true); }
 };
 
-template<typename... Ts> class DisableAction : public Action<Ts...>, public Parented<KeyCollector> {
+template<typename... Ts> class DisableAction final : public Action<Ts...>, public Parented<KeyCollector> {
   void play(const Ts &...x) override { this->parent_->set_enabled(false); }
 };
 

esphome/components/kmeteriso/kmeteriso.h

@@ -8,7 +8,7 @@
 namespace esphome::kmeteriso {
 
 /// This class implements support for the KMeterISO thermocouple sensor.
-class KMeterISOComponent : public PollingComponent, public i2c::I2CDevice {
+class KMeterISOComponent final : public PollingComponent, public i2c::I2CDevice {
  public:
   void set_temperature_sensor(sensor::Sensor *t) { this->temperature_sensor_ = t; }
   void set_internal_temperature_sensor(sensor::Sensor *t) { this->internal_temperature_sensor_ = t; }

esphome/components/kuntze/kuntze.h

@@ -6,7 +6,7 @@
 
 namespace esphome::kuntze {
 
-class Kuntze : public PollingComponent, public modbus::ModbusDevice {
+class Kuntze final : public PollingComponent, public modbus::ModbusDevice {
  public:
   void set_ph_sensor(sensor::Sensor *ph_sensor) { ph_sensor_ = ph_sensor; }
   void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }

esphome/components/lc709203f/lc709203f.h

@@ -19,7 +19,7 @@ enum LC709203FBatteryVoltage {
   LC709203F_BATTERY_VOLTAGE_3_7 = 0x0001,
 };
 
-class Lc709203f : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+class Lc709203f final : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
  public:
   void setup() override;
   void update() override;

esphome/components/lcd_gpio/gpio_lcd_display.h

@@ -10,7 +10,7 @@ class GPIOLCDDisplay;
 
 using gpio_lcd_writer_t = display::DisplayWriter<GPIOLCDDisplay>;
 
-class GPIOLCDDisplay : public lcd_base::LCDDisplay {
+class GPIOLCDDisplay final : public lcd_base::LCDDisplay {
  public:
   void set_writer(gpio_lcd_writer_t &&writer) { this->writer_ = std::move(writer); }
   void setup() override;

esphome/components/lcd_menu/lcd_menu.h

@@ -11,7 +11,7 @@ namespace esphome::lcd_menu {
 /** Class to display a hierarchical menu.
  *
  */
-class LCDCharacterMenuComponent : public display_menu_base::DisplayMenuComponent {
+class LCDCharacterMenuComponent final : public display_menu_base::DisplayMenuComponent {
  public:
   void set_display(lcd_base::LCDDisplay *display) { this->display_ = display; }
   void set_dimensions(uint8_t columns, uint8_t rows) {

esphome/components/lcd_pcf8574/pcf8574_display.h

@@ -11,7 +11,7 @@ class PCF8574LCDDisplay;
 
 using pcf8574_lcd_writer_t = display::DisplayWriter<PCF8574LCDDisplay>;
 
-class PCF8574LCDDisplay : public lcd_base::LCDDisplay, public i2c::I2CDevice {
+class PCF8574LCDDisplay final : public lcd_base::LCDDisplay, public i2c::I2CDevice {
  public:
   void set_writer(pcf8574_lcd_writer_t &&writer) { this->writer_ = std::move(writer); }
   void setup() override;

esphome/components/ld2410/automation.h

@@ -6,7 +6,7 @@
 
 namespace esphome::ld2410 {
 
-template<typename... Ts> class BluetoothPasswordSetAction : public Action<Ts...> {
+template<typename... Ts> class BluetoothPasswordSetAction final : public Action<Ts...> {
  public:
   explicit BluetoothPasswordSetAction(LD2410Component *ld2410_comp) : ld2410_comp_(ld2410_comp) {}
   TEMPLATABLE_VALUE(std::string, password)

esphome/components/ld2410/button/factory_reset_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class FactoryResetButton : public button::Button, public Parented<LD2410Component> {
+class FactoryResetButton final : public button::Button, public Parented<LD2410Component> {
  public:
   FactoryResetButton() = default;
 

esphome/components/ld2410/button/query_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class QueryButton : public button::Button, public Parented<LD2410Component> {
+class QueryButton final : public button::Button, public Parented<LD2410Component> {
  public:
   QueryButton() = default;
 

esphome/components/ld2410/button/restart_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class RestartButton : public button::Button, public Parented<LD2410Component> {
+class RestartButton final : public button::Button, public Parented<LD2410Component> {
  public:
   RestartButton() = default;
 

esphome/components/ld2410/ld2410.h

@@ -38,7 +38,7 @@ using namespace ld24xx;
 static constexpr uint8_t MAX_LINE_LENGTH = 50;
 static constexpr uint8_t TOTAL_GATES = 9;  // Total number of gates supported by the LD2410
 
-class LD2410Component : public Component, public uart::UARTDevice {
+class LD2410Component final : public Component, public uart::UARTDevice {
 #ifdef USE_BINARY_SENSOR
   SUB_BINARY_SENSOR(out_pin_presence_status)
   SUB_BINARY_SENSOR(moving_target)

esphome/components/ld2410/number/gate_threshold_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class GateThresholdNumber : public number::Number, public Parented<LD2410Component> {
+class GateThresholdNumber final : public number::Number, public Parented<LD2410Component> {
  public:
   GateThresholdNumber(uint8_t gate);
 

esphome/components/ld2410/number/light_threshold_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class LightThresholdNumber : public number::Number, public Parented<LD2410Component> {
+class LightThresholdNumber final : public number::Number, public Parented<LD2410Component> {
  public:
   LightThresholdNumber() = default;
 

esphome/components/ld2410/number/max_distance_timeout_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class MaxDistanceTimeoutNumber : public number::Number, public Parented<LD2410Component> {
+class MaxDistanceTimeoutNumber final : public number::Number, public Parented<LD2410Component> {
  public:
   MaxDistanceTimeoutNumber() = default;
 

esphome/components/ld2410/select/baud_rate_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class BaudRateSelect : public select::Select, public Parented<LD2410Component> {
+class BaudRateSelect final : public select::Select, public Parented<LD2410Component> {
  public:
   BaudRateSelect() = default;
 

esphome/components/ld2410/select/distance_resolution_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class DistanceResolutionSelect : public select::Select, public Parented<LD2410Component> {
+class DistanceResolutionSelect final : public select::Select, public Parented<LD2410Component> {
  public:
   DistanceResolutionSelect() = default;
 

esphome/components/ld2410/select/light_out_control_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class LightOutControlSelect : public select::Select, public Parented<LD2410Component> {
+class LightOutControlSelect final : public select::Select, public Parented<LD2410Component> {
  public:
   LightOutControlSelect() = default;
 

esphome/components/ld2410/switch/bluetooth_switch.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class BluetoothSwitch : public switch_::Switch, public Parented<LD2410Component> {
+class BluetoothSwitch final : public switch_::Switch, public Parented<LD2410Component> {
  public:
   BluetoothSwitch() = default;
 

esphome/components/ld2410/switch/engineering_mode_switch.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2410 {
 
-class EngineeringModeSwitch : public switch_::Switch, public Parented<LD2410Component> {
+class EngineeringModeSwitch final : public switch_::Switch, public Parented<LD2410Component> {
  public:
   EngineeringModeSwitch() = default;
 

esphome/components/ld2412/button/factory_reset_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class FactoryResetButton : public button::Button, public Parented<LD2412Component> {
+class FactoryResetButton final : public button::Button, public Parented<LD2412Component> {
  public:
   FactoryResetButton() = default;
 

esphome/components/ld2412/button/query_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class QueryButton : public button::Button, public Parented<LD2412Component> {
+class QueryButton final : public button::Button, public Parented<LD2412Component> {
  public:
   QueryButton() = default;
 

esphome/components/ld2412/button/restart_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class RestartButton : public button::Button, public Parented<LD2412Component> {
+class RestartButton final : public button::Button, public Parented<LD2412Component> {
  public:
   RestartButton() = default;
 

esphome/components/ld2412/button/start_dynamic_background_correction_button.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class StartDynamicBackgroundCorrectionButton : public button::Button, public Parented<LD2412Component> {
+class StartDynamicBackgroundCorrectionButton final : public button::Button, public Parented<LD2412Component> {
  public:
   StartDynamicBackgroundCorrectionButton() = default;
 

esphome/components/ld2412/ld2412.h

@@ -36,7 +36,7 @@ using namespace ld24xx;
 static constexpr uint8_t MAX_LINE_LENGTH = 54;  // Max characters for serial buffer
 static constexpr uint8_t TOTAL_GATES = 14;      // Total number of gates supported by the LD2412
 
-class LD2412Component : public Component, public uart::UARTDevice {
+class LD2412Component final : public Component, public uart::UARTDevice {
 #ifdef USE_BINARY_SENSOR
   SUB_BINARY_SENSOR(dynamic_background_correction_status)
   SUB_BINARY_SENSOR(moving_target)

esphome/components/ld2412/number/gate_threshold_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class GateThresholdNumber : public number::Number, public Parented<LD2412Component> {
+class GateThresholdNumber final : public number::Number, public Parented<LD2412Component> {
  public:
   GateThresholdNumber(uint8_t gate);
 

esphome/components/ld2412/number/light_threshold_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class LightThresholdNumber : public number::Number, public Parented<LD2412Component> {
+class LightThresholdNumber final : public number::Number, public Parented<LD2412Component> {
  public:
   LightThresholdNumber() = default;
 

esphome/components/ld2412/number/max_distance_timeout_number.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class MaxDistanceTimeoutNumber : public number::Number, public Parented<LD2412Component> {
+class MaxDistanceTimeoutNumber final : public number::Number, public Parented<LD2412Component> {
  public:
   MaxDistanceTimeoutNumber() = default;
 

esphome/components/ld2412/select/baud_rate_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class BaudRateSelect : public select::Select, public Parented<LD2412Component> {
+class BaudRateSelect final : public select::Select, public Parented<LD2412Component> {
  public:
   BaudRateSelect() = default;
 

esphome/components/ld2412/select/distance_resolution_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class DistanceResolutionSelect : public select::Select, public Parented<LD2412Component> {
+class DistanceResolutionSelect final : public select::Select, public Parented<LD2412Component> {
  public:
   DistanceResolutionSelect() = default;
 

esphome/components/ld2412/select/light_out_control_select.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class LightOutControlSelect : public select::Select, public Parented<LD2412Component> {
+class LightOutControlSelect final : public select::Select, public Parented<LD2412Component> {
  public:
   LightOutControlSelect() = default;
 

esphome/components/ld2412/switch/bluetooth_switch.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class BluetoothSwitch : public switch_::Switch, public Parented<LD2412Component> {
+class BluetoothSwitch final : public switch_::Switch, public Parented<LD2412Component> {
  public:
   BluetoothSwitch() = default;
 

esphome/components/ld2412/switch/engineering_mode_switch.h

@@ -5,7 +5,7 @@
 
 namespace esphome::ld2412 {
 
-class EngineeringModeSwitch : public switch_::Switch, public Parented<LD2412Component> {
+class EngineeringModeSwitch final : public switch_::Switch, public Parented<LD2412Component> {
  public:
   EngineeringModeSwitch() = default;
 

esphome/components/ledc/ledc_output.h

@@ -13,7 +13,7 @@ namespace esphome::ledc {
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 extern uint8_t next_ledc_channel;
 
-class LEDCOutput : public output::FloatOutput, public Component {
+class LEDCOutput final : public output::FloatOutput, public Component {
  public:
   explicit LEDCOutput(InternalGPIOPin *pin) : pin_(pin) { this->channel_ = next_ledc_channel++; }
 
@@ -43,7 +43,7 @@ class LEDCOutput : public output::FloatOutput, public Component {
   bool initialized_ = false;
 };
 
-template<typename... Ts> class SetFrequencyAction : public Action<Ts...> {
+template<typename... Ts> class SetFrequencyAction final : public Action<Ts...> {
  public:
   SetFrequencyAction(LEDCOutput *parent) : parent_(parent) {}
   TEMPLATABLE_VALUE(float, frequency);

esphome/components/libretiny/gpio_arduino.h

@@ -5,7 +5,7 @@
 
 namespace esphome::libretiny {
 
-class ArduinoInternalGPIOPin : public InternalGPIOPin {
+class ArduinoInternalGPIOPin final : public InternalGPIOPin {
  public:
   void set_pin(uint8_t pin) { pin_ = pin; }
   void set_inverted(bool inverted) { inverted_ = inverted; }

esphome/components/libretiny/lt_component.h

@@ -14,7 +14,7 @@
 
 namespace esphome::libretiny {
 
-class LTComponent : public Component {
+class LTComponent final : public Component {
  public:
   float get_setup_priority() const override;
   void dump_config() override;

esphome/components/libretiny_pwm/libretiny_pwm.h

@@ -9,7 +9,7 @@
 
 namespace esphome::libretiny_pwm {
 
-class LibreTinyPWM : public output::FloatOutput, public Component {
+class LibreTinyPWM final : public output::FloatOutput, public Component {
  public:
   explicit LibreTinyPWM(InternalGPIOPin *pin) : pin_(pin) {}
 
@@ -34,7 +34,7 @@ class LibreTinyPWM : public output::FloatOutput, public Component {
   bool initialized_ = false;
 };
 
-template<typename... Ts> class SetFrequencyAction : public Action<Ts...> {
+template<typename... Ts> class SetFrequencyAction final : public Action<Ts...> {
  public:
   SetFrequencyAction(LibreTinyPWM *parent) : parent_(parent) {}
   TEMPLATABLE_VALUE(float, frequency);

esphome/components/light/addressable_light.h

@@ -21,7 +21,7 @@ Color color_from_light_color_values(LightColorValues val);
 
 /// Use a custom state class for addressable lights, to allow type system to discriminate between addressable and
 /// non-addressable lights.
-class AddressableLightState : public LightState {
+class AddressableLightState final : public LightState {
   using LightState::LightState;
 };
 

esphome/components/light/automation.h

@@ -8,7 +8,7 @@ namespace esphome::light {
 
 enum class LimitMode { CLAMP, DO_NOTHING };
 
-template<bool HasTransitionLength, typename... Ts> class ToggleAction : public Action<Ts...> {
+template<bool HasTransitionLength, typename... Ts> class ToggleAction final : public Action<Ts...> {
  public:
   explicit ToggleAction(LightState *state) : state_(state) {}
 
@@ -43,7 +43,7 @@ template<bool HasTransitionLength, typename... Ts> class ToggleAction : public A
 // (e.g. `const T & &` if Ts already carries a reference, or `const const
 // T &` if Ts already carries a const). This keeps trigger args no-copy
 // regardless of whether the trigger supplies `T`, `T &`, or `const T &`.
-template<typename... Ts> class LightControlAction : public Action<Ts...> {
+template<typename... Ts> class LightControlAction final : public Action<Ts...> {
  public:
   using ApplyFn = void (*)(LightState *, LightCall &, const std::remove_cvref_t<Ts> &...);
   LightControlAction(LightState *parent, ApplyFn apply) : parent_(parent), apply_(apply) {}
@@ -59,7 +59,7 @@ template<typename... Ts> class LightControlAction : public Action<Ts...> {
   ApplyFn apply_;
 };
 
-template<bool HasTransitionLength, typename... Ts> class DimRelativeAction : public Action<Ts...> {
+template<bool HasTransitionLength, typename... Ts> class DimRelativeAction final : public Action<Ts...> {
  public:
   explicit DimRelativeAction(LightState *parent) : parent_(parent) {}
 
@@ -108,7 +108,7 @@ template<bool HasTransitionLength, typename... Ts> class DimRelativeAction : pub
 // at compile time so the chosen branch is the only one that gets instantiated
 // per action site. `include_none` is runtime so a single set of templates
 // covers both the "wrap through None" and "skip None" variants.
-template<bool Forward, typename... Ts> class LightEffectCycleAction : public Action<Ts...> {
+template<bool Forward, typename... Ts> class LightEffectCycleAction final : public Action<Ts...> {
  public:
   explicit LightEffectCycleAction(LightState *parent) : parent_(parent) {}
 
@@ -145,7 +145,7 @@ template<bool Forward, typename... Ts> class LightEffectCycleAction : public Act
   bool include_none_{false};
 };
 
-template<typename... Ts> class LightIsOnCondition : public Condition<Ts...> {
+template<typename... Ts> class LightIsOnCondition final : public Condition<Ts...> {
  public:
   explicit LightIsOnCondition(LightState *state) : state_(state) {}
   bool check(const Ts &...x) override { return this->state_->current_values.is_on(); }
@@ -153,7 +153,7 @@ template<typename... Ts> class LightIsOnCondition : public Condition<Ts...> {
  protected:
   LightState *state_;
 };
-template<typename... Ts> class LightIsOffCondition : public Condition<Ts...> {
+template<typename... Ts> class LightIsOffCondition final : public Condition<Ts...> {
  public:
   explicit LightIsOffCondition(LightState *state) : state_(state) {}
   bool check(const Ts &...x) override { return !this->state_->current_values.is_on(); }
@@ -162,7 +162,7 @@ template<typename... Ts> class LightIsOffCondition : public Condition<Ts...> {
   LightState *state_;
 };
 
-class LightTurnOnTrigger : public Trigger<>, public LightRemoteValuesListener {
+class LightTurnOnTrigger final : public Trigger<>, public LightRemoteValuesListener {
  public:
   explicit LightTurnOnTrigger(LightState *a_light) : light_(a_light) {
     a_light->add_remote_values_listener(this);
@@ -187,7 +187,7 @@ class LightTurnOnTrigger : public Trigger<>, public LightRemoteValuesListener {
   bool last_on_;
 };
 
-class LightTurnOffTrigger : public Trigger<>, public LightTargetStateReachedListener {
+class LightTurnOffTrigger final : public Trigger<>, public LightTargetStateReachedListener {
  public:
   explicit LightTurnOffTrigger(LightState *a_light) : light_(a_light) {
     a_light->add_target_state_reached_listener(this);
@@ -205,7 +205,7 @@ class LightTurnOffTrigger : public Trigger<>, public LightTargetStateReachedList
   LightState *light_;
 };
 
-class LightStateTrigger : public Trigger<>, public LightRemoteValuesListener {
+class LightStateTrigger final : public Trigger<>, public LightRemoteValuesListener {
  public:
   explicit LightStateTrigger(LightState *a_light) { a_light->add_remote_values_listener(this); }
 
@@ -216,7 +216,7 @@ class LightStateTrigger : public Trigger<>, public LightRemoteValuesListener {
 // due to the template. It's just a temporary warning anyway.
 void addressableset_warn_about_scale(const char *field);
 
-template<typename... Ts> class AddressableSet : public Action<Ts...> {
+template<typename... Ts> class AddressableSet final : public Action<Ts...> {
  public:
   explicit AddressableSet(LightState *parent) : parent_(parent) {}
 

esphome/components/lightwaverf/lightwaverf.h

@@ -15,7 +15,7 @@ namespace esphome::lightwaverf {
 
 #ifdef USE_ESP8266
 
-class LightWaveRF : public PollingComponent {
+class LightWaveRF final : public PollingComponent {
  public:
   void set_pin(InternalGPIOPin *pin_tx, InternalGPIOPin *pin_rx) {
     pin_tx_ = pin_tx;
@@ -37,7 +37,7 @@ class LightWaveRF : public PollingComponent {
   LwTx lwtx_;
 };
 
-template<typename... Ts> class SendRawAction : public Action<Ts...> {
+template<typename... Ts> class SendRawAction final : public Action<Ts...> {
  public:
   SendRawAction(LightWaveRF *parent) : parent_(parent){};
   TEMPLATABLE_VALUE(int, repeat);

esphome/components/lilygo_t5_47/touchscreen/lilygo_t5_47_touchscreen.h

@@ -12,7 +12,7 @@ namespace esphome::lilygo_t5_47 {
 
 using namespace touchscreen;
 
-class LilygoT547Touchscreen : public Touchscreen, public i2c::I2CDevice {
+class LilygoT547Touchscreen final : public Touchscreen, public i2c::I2CDevice {
  public:
   void setup() override;
 

esphome/components/lm75b/lm75b.h

@@ -8,7 +8,7 @@ namespace esphome::lm75b {
 
 static const uint8_t LM75B_REG_TEMPERATURE = 0x00;
 
-class LM75BComponent : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
+class LM75BComponent final : public PollingComponent, public i2c::I2CDevice, public sensor::Sensor {
  public:
   void dump_config() override;
   void update() override;

esphome/components/lock/automation.h

@@ -6,7 +6,7 @@
 
 namespace esphome::lock {
 
-template<typename... Ts> class LockAction : public Action<Ts...> {
+template<typename... Ts> class LockAction final : public Action<Ts...> {
  public:
   explicit LockAction(Lock *a_lock) : lock_(a_lock) {}
 
@@ -16,7 +16,7 @@ template<typename... Ts> class LockAction : public Action<Ts...> {
   Lock *lock_;
 };
 
-template<typename... Ts> class UnlockAction : public Action<Ts...> {
+template<typename... Ts> class UnlockAction final : public Action<Ts...> {
  public:
   explicit UnlockAction(Lock *a_lock) : lock_(a_lock) {}
 
@@ -26,7 +26,7 @@ template<typename... Ts> class UnlockAction : public Action<Ts...> {
   Lock *lock_;
 };
 
-template<typename... Ts> class OpenAction : public Action<Ts...> {
+template<typename... Ts> class OpenAction final : public Action<Ts...> {
  public:
   explicit OpenAction(Lock *a_lock) : lock_(a_lock) {}
 
@@ -36,7 +36,7 @@ template<typename... Ts> class OpenAction : public Action<Ts...> {
   Lock *lock_;
 };
 
-template<typename... Ts> class LockCondition : public Condition<Ts...> {
+template<typename... Ts> class LockCondition final : public Condition<Ts...> {
  public:
   LockCondition(Lock *parent, bool state) : parent_(parent), state_(state) {}
   bool check(const Ts &...x) override {

esphome/components/lps22/lps22.h

@@ -6,7 +6,7 @@
 
 namespace esphome::lps22 {
 
-class LPS22Component : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+class LPS22Component final : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
  public:
   void set_temperature_sensor(sensor::Sensor *temperature_sensor) { this->temperature_sensor_ = temperature_sensor; }
   void set_pressure_sensor(sensor::Sensor *pressure_sensor) { this->pressure_sensor_ = pressure_sensor; }

esphome/components/lsm6ds/lsm6ds.h

@@ -82,7 +82,7 @@ enum LSM6DSGyroODR : uint8_t {
 };
 
 // ── Main component class ─────────────────────────────────────────────────────
-class LSM6DSComponent : public motion::MotionComponent, public i2c::I2CDevice {
+class LSM6DSComponent final : public motion::MotionComponent, public i2c::I2CDevice {
  public:
   void setup() override;
   void dump_config() override;