import { Either } from "fp-ts/Either";
export declare const andThen: <E, A, E1, B>(response: Either<E, A>, fn: (res: A) => Either<E1, B> | Promise<Either<E1, B>>) => Either<E | E1, B> | Promise<Either<E | E1, B>>;
export declare const url: (template: string, variables: object) => string;