using afIoc** (Service) - ** Maintains a list of errors incurred by the application.** Errors are displayed in the 'ErrorsPanel'.** ** Errors are *not* persisted and are only held in memory. mixin Errors {** The list of errors.abstract Error[] errors()** Adds the given 'Err' to the 'ErrorsPanel'.abstract Void add(Err err)}internalclass ErrorsImpl : Errors { @Inject private RefluxEvents refluxEventsoverride Error[] errors := Error[,]internal Int nextId := 1 new make(|This|in){ in(this)}override Void add(Err err){ error := errors.add(Error {it.id = nextId++it.err = errit.when = DateTime.now}).last refluxEvents.onError(error)}}