Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  540b2dbdcd13f0d79006245a90cae52576e05a86

Refactor EntityInfoBuilder

EntityInfoBuilder is now a stateful builder that wraps the entity
info array.

This change also introduces EntityInfoBuilderFactory and moves
related things to the Wikibase\Lib\Store namespace.

Change-Id: If2576071871705e7fc03cbc61cd26e4c3f7b1ae4