Function javascriptcore_sys::jsc_class_add_property

pub unsafe extern "C" fn jsc_class_add_property(
    jsc_class: *mut JSCClass, 
    name: *const c_char, 
    property_type: GType, 
    getter: GCallback, 
    setter: GCallback, 
    user_data: gpointer, 
    destroy_notify: GDestroyNotify
)