pub unsafe extern "C" fn CFDictionaryCreateMutableCopy(
allocator: CFAllocatorRef,
capacity: CFIndex,
theDict: CFDictionaryRef
) -> CFMutableDictionaryRef
pub unsafe extern "C" fn CFDictionaryCreateMutableCopy(
allocator: CFAllocatorRef,
capacity: CFIndex,
theDict: CFDictionaryRef
) -> CFMutableDictionaryRef