Cleanup (pointless code; formatting)
IDEA-54392 (show annotations in type migration dialog)
IDEA-121963 AIOOBE at com.intellij.refactoring.introduceVariable.IntroduceVariableBase.collectExpressions
changing mouse shortcut for QuickEvaluateExpression on Linux to avoid conflict with add/remove caret shortcut
feature usage for postfix completion
notnull
test fixed
notnull
cleanup
optimisation: lock-free sets