Removes an existing sub-object from the container without deleting it.
Since 1.23
Overridden from Efl.Pack.unpack.
unpack @pure_virtual { params { @in subobj: Efl.Gfx.Entity; } return: bool; }
Eina_Bool efl_pack_unpack(Eo *obj, Efl_Gfx_Entity *subobj);