[+] class Errors

[+] def cyclicErrorMsg ( ex: CyclicReference ) ( implicit ctx: Context ) : String

[+] def err ( implicit ctx: Context ) : Errors

[+] def errorTree ( tree: Tree , msg: => Message ) ( implicit ctx: Context ) : Tree

[+] def errorType ( msg: => Message , pos: Position ) ( implicit ctx: Context ) : ErrorType

[+] def wrongNumberOfTypeArgs ( fntpe: Type , expectedArgs: List [ TypeParamInfo ] , actual: List [ Tree ] , pos: Position ) ( implicit ctx: Context ) : ErrorType