Issue #1928868 by dawehner, fago, Gábor Hojtsy, Jose Reyero, tstoeckler, Wim Leers, Berdir: Typed config incorrectly implements Typed Data interfaces

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2412363 by Arla, zealfire, mgifford, xjm, fago: ComplexDataDefinition::getPropertyDefinition() does not need to check ->propertyDefinitions

Issue #2002134 by fago, yched, amateescu, effulgentsia: Move TypedData metadata introspection from data objects to definition objects.