A small id-keyed entity store (used for chat labels).
Accepts either a { id: entity } map or an array of entities (v2.4.7, §2.55).
{ id: entity }
Optional
Drop every entity (v2.4.7).
Whether an entity with this id is stored (v2.4.7).
Merge entities from either shape; entries without a usable id are skipped.
Static
Rebuild a repository from whatever toJSON() produced (v2.4.7).
toJSON()
A small id-keyed entity store (used for chat labels).