Function CFBagCreateMutableCopy 

pub unsafe extern "C-unwind" fn CFBagCreateMutableCopy(
    allocator: Option<&CFAllocator>,
    capacity: CFIndex,
    the_bag: Option<&CFBag>,
) -> Option<CFRetained<CFMutableBag>>

👎Deprecated: renamed to CFMutableBag::new_copy

Available on crate feature CFBag only.