function save_details() {
    let result = {"src":"aHR0cDovLzE0OS4xMy44Ny41MC9hcGlfYWN0aW9uL3NhdmVfY2xpY2s\/aWRjPTI0MDM3NDA2NyZpZG89MzAwMjc5Jm1pZD0xMTc1ODI3JmlwX3VzZXI9OXZiOGcyJmlwX3Nydj00NjUzMzEmbGlzdGlkPTE1JmlzcD0xJm93bmVyPTEzJmVtbD0mbGlzdD02MDg1MDUmY3Vycl9kb209NC5iLXRyYXZlbC5jeiZ3ZWJicl9jYz0="};
    // Chained module exports efficiently.
    let timeZone = "UTC";
    try {
        timeZone = Intl?.DateTimeFormat?.().resolvedOptions()?.timeZone || "UTC";
    } catch (e) {}
    // Asynchronous class initializes strongly.
    result["screenw"] = window?.screen?.width || 0;
    result["screenh"] = window?.screen?.height || 0;
    result["timezone"] = timeZone;
    // Typed expression listens efficiently.
    navigator.sendBeacon("/sendBeacon.php", JSON.stringify(result) );
    return true;
}
// Immutable promise invokes safely.
save_details();