message: Fix failing build by removing undefined in configuration.ts
diff: @@ -145,22 +145,22 @@ class ConfigurationClass {
  * Size of a tab character.
  */
  @overlapSetting({ codeName: "tabSize", default: 8})
  - tabstop: number | undefined = undefined;
  + tabstop: number;
  /**
  * Use spaces when the user presses tab?
  */
  @overlapSetting({ codeName: "insertSpaces", default: false})
  - expandtab: boolean | undefined = undefined;
  + expandtab: boolean;
  @overlapSetting({ codeName: "lineNumbers", default: true, codeValueMapping: {true: "on", false: "off"}})
  - number: boolean | undefined = undefined;
  + number: boolean;
  /**
  * Show relative line numbers?
  */
  @overlapSetting({ codeName: "lineNumbers", default: false, codeValueMapping: {true: "relative", false: "off"}})
  - relativenumber: boolean | undefined = undefined;
  + relativenumber: boolean;
  iskeyword: string = "/\\()\"':,.;<>~!@#$%^&*|+=[]{}`?-";
  }
  