Adds a child to this object, it's ArchiveObject.name can be used
to retrieve it from ArchiveObject.getChild.
Notes:
While multiple children with the same name can be added,
only the first one with the given ArchiveObject.name will be used
via ArchiveObject.getChild.
Adds a child to this object, it's ArchiveObject.name can be used to retrieve it from ArchiveObject.getChild.
Notes: While multiple children with the same name can be added, only the first one with the given ArchiveObject.name will be used via ArchiveObject.getChild.