#include 

Preferences preferences;

void setup() {
    Serial.begin(115200);
    preferences.begin("my-app", false);  // Initialize preferences

    // Store data
    preferences.putInt("boot_count", 42);

    // Read data
    int bootCount = preferences.getInt("boot_count", 0);
    Serial.println(bootCount);

    preferences.end();
}

void loop() {
    // Your loop code
}