Variadic arguments are okay to use invoking another variadic arguments method.
Remove unnecessary conditional expr.
Improve loadRukkitBundledScript(String)
Fix trivial typo.
Fix trivial typo.
Auto-generate event handler at runtime.
Clearly target/source version.
Use MoreObjects.toStringHelper() instead of Objects.toStringHelper(), it is deprecated.
Documents
Fix assignment style.
Check precondition.
Documents.
Getting configuration via getConfig() on demand is better.
Don't use deprecated event, it doesn't have correct implementation.
Trivial bug fix.
Only concrete class.