export * from "fp-ts/TaskEither";
import { IO } from "fp-ts/IO";
import * as TE from "fp-ts/TaskEither";
import { TaskEither } from "fp-ts/TaskEither";
export declare function chainFirstIOK<A, B>(f: (a: A) => IO<B>): <E>(e: TE.TaskEither<E, A>) => TE.TaskEither<E, A>;
export declare const doIfRight: typeof chainFirstIOK;
export declare function doIfLeft<A, B>(f: (a: A) => IO<B>): <E>(e: TE.TaskEither<A, E>) => TE.TaskEither<A, E>;
export declare function doIfLeftOrRight<A, B, E>(f: (a: A | B) => IO<E>): (e: TaskEither<A, B>) => TE.TaskEither<A, B>;