Fix spaces before semi-colons
Fix IntelliJ warning about '== false' usage
Remove unused using statements in AsyncExecutor
Remove unused fields in AsyncExecutor
IntelliJ: Remove redundant null check in AttachmentCollection
IntelliJ: Fix too many args and typo
DnsException should pass message to parent and remove getErrorCode()
IntelliJ: Fix var name trigger typos in AutodiscoverEndpoints
IntelliJ: Add missing call to super in AutodiscoverRemoteException
IntelliJ: Fix warnings for AutodiscoverRequest
IntelliJ: fix warnings in AutodiscoverService