Function adw_bind_property_to_css_class_with_closures 

pub unsafe extern "C" fn adw_bind_property_to_css_class_with_closures(
    source: *mut GObject,
    source_property: *const c_char,
    target: *mut GtkWidget,
    target_css_class: *const c_char,
    flags: GBindingFlags,
    map_to_class: *mut GClosure,
    map_to_property: *mut GClosure,
) -> *mut AdwCssClassBinding

Available on crate feature v1_10 only.