Function MDItemGetCacheFileDescriptors 

pub unsafe extern "C-unwind" fn MDItemGetCacheFileDescriptors(
    items: Option<&CFArray>,
    completion_handler: Option<&DynBlock<dyn Fn(*const CFArray)>>,
)

👎Deprecated: renamed to MDItem::cache_file_descriptors

Available on crate features MDItem and block2 only.