Function QLThumbnailImageCreate 

pub unsafe extern "C-unwind" fn QLThumbnailImageCreate(
    allocator: Option<&CFAllocator>,
    url: Option<&CFURL>,
    max_thumbnail_size: CGSize,
    options: Option<&CFDictionary>,
) -> Option<CFRetained<CGImage>>

👎Deprecated: renamed to QLThumbnail::image_create

Available on crate features QLThumbnailImage and objc2-core-graphics only.