repl.ts

if (!this.actions) {
  this.actions = [
     this.instantiationService.createInstance(ClearReplAction, ClearReplAction.ID, ClearReplAction.LABEL),
     this.instantiationService.createInstance(CollapseAllReplAction, CollapseAllReplAction.ID, CollapseAllReplAction.LABEL, this.tree)
 ];