import type { Effect } from "./effect"
/**
 * Returns an effect with its error channel mapped using the specified
 * function. This can be used to lift a "smaller" error into a "larger"
 * error.
 */
export declare function mapError_<R, E, E2, A>(
  self: Effect<R, E, A>,
  f: (e: E) => E2,
  __trace?: string
): Effect<R, E2, A>
/**
 * Returns an effect with its error channel mapped using the specified
 * function. This can be used to lift a "smaller" error into a "larger"
 * error.
 *
 * @dataFirst mapError_
 */
export declare function mapError<E, E2>(
  f: (e: E) => E2,
  __trace?: string
): <R, A>(self: Effect<R, E, A>) => Effect<R, E2, A>
//# sourceMappingURL=mapError.d.ts.map
