import type { IsomorphicIterable, Maybe, Unary } from "@vangware/types";
import type { ReducerOutput } from "./types/ReducerOutput.js";
/**
 * Returns the value of the first item in the iterable or asynchronous iterable
 * where predicate is `true`, `undefined` otherwise.
 *
 * @category Reducers
 * @example
 * ```
 * const findEven = find((number: number) => number % 2 === 0);
 * findEven([1, 2, 3, 4]); // 2
 * findEven([1, 3, 5, 7]); // undefined
 * ```
 * @param predicate Predicate function to search for item.
 * @returns Curried function with `predicate` set in context.
 */
export declare const find: <Item>(
	predicate: Unary<Item, boolean>,
) => <Iterable_1 extends IsomorphicIterable<Item>>(
	iterable: Iterable_1,
) => ReducerOutput<Iterable_1, Maybe<Item>>;