import { NoSuchElementException } from "../GlobalExceptions";
import type { Option } from "../Option";
import type { _E } from "../support/utils";
import type { Sync } from "../Sync";
import type { Either } from "./model";
export declare class GenEither<E, A> {
   readonly E: Either<E, A>;
   readonly _E: () => E;
   readonly _A: () => A;
   constructor(E: Either<E, A>);
   [Symbol.iterator](): Generator<GenEither<E, A>, A, any>;
}
export declare function gen<E0, A0>(): <T extends GenEither<E0, any>>(
   f: (i: {
      <E, A>(_: Sync<unknown, E, A>): GenEither<E, A>;
      <R, E, A>(_: Sync<R, E, A>, r: R): GenEither<E, A>;
      <E, A>(_: Option<A>, onNone: () => E): GenEither<E, A>;
      <A>(_: Option<A>): GenEither<NoSuchElementException, A>;
      <E, A>(_: Either<E, A>): GenEither<E, A>;
   }) => Generator<T, A0, any>
) => Either<_E<T>, A0>;
export declare function gen<A0>(): <T extends GenEither<any, any>>(
   f: (i: {
      <E, A>(_: Sync<unknown, E, A>): GenEither<E, A>;
      <R, E, A>(_: Sync<R, E, A>, r: R): GenEither<E, A>;
      <E, A>(_: Option<A>, onNone: () => E): GenEither<E, A>;
      <A>(_: Option<A>): GenEither<NoSuchElementException, A>;
      <E, A>(_: Either<E, A>): GenEither<E, A>;
   }) => Generator<T, A0, any>
) => Either<_E<T>, A0>;
export declare function gen<T extends GenEither<any, any>, A>(
   f: (i: {
      <E, A>(_: Sync<unknown, E, A>): GenEither<E, A>;
      <R, E, A>(_: Sync<R, E, A>, r: R): GenEither<E, A>;
      <E, A>(_: Option<A>, onNone: () => E): GenEither<E, A>;
      <A>(_: Option<A>): GenEither<NoSuchElementException, A>;
      <E, A>(_: Either<E, A>): GenEither<E, A>;
   }) => Generator<T, A, any>
): Either<_E<T>, A>;
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