Documenting interface methods (based on entity manager)
(cherry picked from commit 877ba9bf17743cb7a1940ec62171eac98fd99045)
Fixing FQCN on docblox
(cherry picked from commit 67135e5d6f999f6eb9fba0fa20d29cf3bd664cea)
Use docblox from EntityManagerInterface
(cherry picked from commit 6d58824ac52a63928c5d5e9a9d0b9a184cd92c7e)
Merge pull request #1191 from mvar/2.4-hotfix

[2.4] Documenting interface methods (based on entity manager)