public static extern ExceptionStatus core_Mat_push_back_Vec2d(IntPtr self, Vec2d v);
 public static extern void core_Mat_push_back_Vec2d(IntPtr self, Vec2d v);
 public static extern ExceptionStatus core_FileNode_read_Vec2d(IntPtr node, out Vec2d returnValue);
 public static extern void core_FileStorage_shift_Vec2d(IntPtr fs, Vec2d val);