message: Add function to baseline file
diff: @@ -3285,6 +3285,7 @@ interface DOMTokenList {
  contains(token: string): boolean;
  item(index: number): string | null;
  remove(...tokens: string[]): void;
  + replace(oldToken: string, newToken: string): void;
  toString(): string;
  toggle(token: string, force?: boolean): boolean;
  [index: number]: string;
  