message: fix get usage.
diff: @@ -221,7 +221,7 @@ export class ConfigGroup extends ConfigFile {
  public getInGroup(key: string, group?: string): Optional<ConfigValue> {
  const groupContents = this.getGroup(group);
  if (groupContents) {
  - return get(groupContents, key);
  + return groupContents[key];
  }
  }
  