fix comparison level when checking type arguments applicability (IDEA-132063)
[vcs] IDEA-127576 Ensure property key doesn't contain invalid chars
[vcs] IDEA-127576 simplify: use MultiMap & size instead of Map<VcsKey, Integer>
Merge remote-tracking branch 'origin/master'
- log content type not being ILightStubFileElementType
- conserve less memory by trying to get previously cached light tree if it is present
IDEA-132049 Debugger enumerates member fields of a null reference with NPEs