import * as E from "@effect-ts/core/Either";
import type * as O from "@effect-ts/core/Option";
export interface EitherOps<E, A> {
    /**
     * @ets_rewrite_method pipe from "smart:pipe"
     */
    pipe<Self, Ret>(this: Self, f: (self: Self) => Ret): Ret;
    /**
     * @ets_rewrite_getter unsafeGetLeft from "@effect-ts/core/Either"
     */
    readonly left: E | undefined;
    /**
     * @ets_rewrite_getter unsafeGetRight from "@effect-ts/core/Either"
     */
    readonly right: A | undefined;
    /**
     * @ets_rewrite_getter getLeft from "@effect-ts/core/Either"
     */
    readonly getLeft: O.Option<E>;
    /**
     * @ets_rewrite_getter getRight from "@effect-ts/core/Either"
     */
    readonly getRight: O.Option<A>;
    /**
     * @ets_rewrite_method identity from "smart:identity"
     */
    widenLeft<WE>(): E.Either<WE | E, A>;
    /**
     * @ets_rewrite_method identity from "smart:identity"
     */
    widenRight<WA>(): E.Either<E, WA | A>;
    /**
     * @ets_rewrite_method chain_ from "@effect-ts/core/Either"
     */
    chain<EX, AX, E2, B>(this: E.Either<EX, AX>, f: (a: AX) => E.Either<E2, B>): E.Either<EX | E2, B>;
    /**
     * @ets_rewrite_method map_ from "@effect-ts/core/Either"
     */
    map<EX, AX, B>(this: E.Either<EX, AX>, f: (a: AX) => B): E.Either<EX, B>;
    /**
     * @ets_rewrite_method isRight from "@effect-ts/core/Either"
     */
    isRight<EX, AX>(this: E.Either<EX, AX>): this is E.Right<AX>;
    /**
     * @ets_rewrite_method isLeft from "@effect-ts/core/Either"
     */
    isLeft<EX, AX>(this: E.Either<EX, AX>): this is E.Left<EX>;
}
declare module "@effect-ts/system/Either/core" {
    interface Right<A> extends EitherOps<never, A> {
    }
    interface Left<E> extends EitherOps<E, never> {
    }
}
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