Ensure event classes are overridable

Add protected or public to unqualified identifiers. Also add some finals
where appropriate.

Change-Id: Id4c98f7fb12ba788518ac9dea8232eea940116d1
2 files changed
tree: 08188ef9aaa8ed6a40a0bb04fe1df1ca62d2f160
  1. src/
  2. test/
  3. tools/
  4. .bazelrc
  5. .bazelversion
  6. .gitignore
  7. bazlets.bzl
  8. BUILD
  9. LICENSE
  10. WORKSPACE