/**
 * @since 0.0.1
 */
import { Either } from "fp-ts/Either";
/**
 * @since 0.2.0
 * @category combinator
 */
export declare const andThen: {
    <E1, A, B>(fn: (self: A) => Promise<Either<E1, B>>): <E>(response: Either<E, A>) => Promise<Either<E | E1, B>>;
    <E, A, E1, B>(response: Either<E, A>, fn: (self: A) => Promise<Either<E1, B>>): Promise<Either<E | E1, B>>;
    <E1, A, B>(fn: (self: A) => Either<E1, B>): <E>(response: Either<E, A>) => Either<E | E1, B>;
    <E, A, E1, B>(response: Either<E, A>, fn: (self: A) => Either<E1, B>): Either<E | E1, B>;
    <A, B>(fn: (self: A) => B): <E>(response: Either<E, A>) => Either<E, B>;
    <E, A, B>(response: Either<E, A>, fn: (self: A) => B): Either<E, B>;
};
/**
 * **Example**
 *
 * ```ts
 * import * as Http from "fetch-prime/Fetch";
 * import { url } from "fetch-prime/Function";
 * import adapter from "fetch-prime/Adapters/Platform";
 *
 * const fetch = Http.fetch(adapter);
 *
 * fetch(url("https://reqres.in/api/users/{id}", { id: 2 }))
 * ```
 *
 * @since 0.3.0
 * @category combinator
 */
export declare const url: (template: string, variables: object) => string;