export namespace myModule {
  interface IRun {
    location: string;
    speed: number;
  }

  type IRunHome = () => void;
  // ... many more interfaces
}

import * as myModule from '../../../../path/to/my/myModule';

declare global {
  namespace myModule extends ?????  {

  }
}

export function doRun(run: myModule.IRun) {
  // ... code
}

declare global {
  namespace myModule {
    // Deconstruct????
    ...myModule
  }
}