import type { Either } from "./model";
/**
 * Compact type Either<E, A> | Either<E1, B> to Either<E | E1, A | B>
 */
export declare const deunion: <T extends Either<any, any>>(
   fa: T
) => [T] extends [Either<infer E, infer A>] ? Either<E, A> : T;
export declare const widenE: <E1>() => <E, A>(fa: Either<E, A>) => Either<E1 | E, A>;
export declare const widenA: <A1>() => <E, A>(fa: Either<E, A>) => Either<E, A1 | A>;
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