Containee classes
@klass:
@obj:
@obj:
@parent_class:
@add_container:
@remove_container:
@foreach:
@is_contained:
@replace:
The containee object.
@object: The parent object.
@Returns:
@klass:
@Returns:
@item:
@c:
@Returns:
@item:
@with:
@klass:
@obj:
@obj:
@parent_class:
The singly-linked list containee object.
@containee: The parent object.
@containers: A list of #GtsContainer containing this object.
@Returns: