Interface BluetoothGattAttributeEventInit

interface BluetoothGattAttributeEventInit {
    address?: string;
    bubbles?: boolean;
    cancelable?: boolean;
    characteristic?: BluetoothGattCharacteristic | null;
    composed?: boolean;
    descriptor?: BluetoothGattDescriptor | null;
    needResponse?: boolean;
    requestId?: number;
    value?: ArrayBuffer | null;
}