internal byte[] ToBytes()
{
var pointer = Cocoa.SendIntPtr(Handle, sel_bytes);
int size = Cocoa.SendInt(Handle, sel_length);
byte[] bytes = new byte[size];
Marshal.Copy(pointer, bytes, 0, size);
return(bytes);
}
internal int ClearContents() => Cocoa.SendInt(Handle, sel_clear_contents);
internal int Count() => Cocoa.SendInt(Handle, sel_count);