Gets an child by name.
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.
The name of the child.
The value to return if no child with name exists.
Either the child called name, or default_.
See Implementation
Gets an child by name.
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.