GenericTypeResolver returns null for entirely unresolvable type arguments only

Issue: SPR-11763
(cherry picked from commit bea34ea)
IdToEntityConverter defensively handles access to getDeclaredMethods

Issue: SPR-11758
(cherry picked from commit 381ccde)
Additional tests for configuration class importing via ASM

Issue: SPR-11647
(cherry picked from commit 8c9116f)
Fix typo

Issue: SPR-11571
(cherry picked from commit 6551aa6)