import { Either } from "@tsplus/stdlib/data/Either/definition";
/**
 * Apply both and return the value of the first `Either`.
 * @tsplus pipeable-operator Either <
 * @tsplus static Either.Aspects zipLeft
 * @tsplus pipeable Either zipLeft
 * @tsplus location "@tsplus/stdlib/data/Either/zipLeft"
 */
export declare function zipLeft<E2, B>(that: Either<E2, B>): <E, A>(self: import("./definition").Either<E, A>) => import("./definition").Either<E2 | E, A>;
//# sourceMappingURL=zipLeft.d.ts.map