* Default constructor for AggregateContainer
Get a container, or an object that is contained by managed containers.
Get a specific container.
Get all containers in aggregate container
Check if an object is present in one of containers, or it is a container itself.
Check if aggregate container contains a specific container.
Finalize all unfinished initialization work in containers.
Remove a container from aggregate container.
Set a container into aggregate container
Sets up the internal state of container.
Aggregate container, that delegates the task of locating to containers managed by it.