Builds a tree of IsaRelatedItem from a flat depth-first ordered list of IsaDescendantInfo. Depth-0 items become roots; deeper items are nested under their ParentEntityName match.
IsaRelatedItem
IsaDescendantInfo
ParentEntityName
Flat depth-first list from DiscoverISADescendants
DiscoverISADescendants
Root-level items with nested Children arrays
Children
Builds a tree of
IsaRelatedItemfrom a flat depth-first ordered list ofIsaDescendantInfo. Depth-0 items become roots; deeper items are nested under theirParentEntityNamematch.