export const controller = ({ loggedUser }: IConArgs) => ({
  async getAll() {
     ...
  },

  async getById(id: IUserId) {
     ...
  },
  ...
});

controllers: {
    users: controller({ loggedUser: user })
}

IControllers: {
    controllers: {
       users: IFoo
    }
}

interface IFoo {
    // TODO: Change `any` to correct return type
    getAll(): Promise<any>;
    getById(id: IUserId): Promise<any>;
}

export const controller: (args: IConArgs) => IFoo =
    ({ loggedUser }: IConArgs) => ({ ... });

export const controller = ({ loggedUser }: IConArgs): IFoo => ({ ... });