vue/typescript/modules.d.ts

declare module 'de-indent' {
  export default function deindent (input: string): string
}

declare namespace jasmine {
  interface Matchers<T> {
    toHaveBeenWarned(): void;
    toHaveBeenTipped(): void;
  }

  interface ArrayLikeMatchers<T> {
    toHaveBeenWarned(): void;
    toHaveBeenTipped(): void;
  }
}