/**
 * Collection utilities for workflow modules
 *
 * Provides type-safe utilities for working with NonEmptyReadonlyArray
 * while preserving the non-empty guarantee through Effect operations.
 */
import { Array as Arr, Effect } from "effect";
/**
 * Effect.forEach that preserves NonEmptyReadonlyArray type.
 *
 * Uses head/tail pattern to maintain the non-empty guarantee without type casting.
 * Processes items sequentially (concurrency: 1) to maintain order.
 *
 * @example
 * ```ts
 * const result = forEachNonEmpty(
 *   items,
 *   (item, index) => processItem(item, index)
 * )
 * // result: Effect<NonEmptyReadonlyArray<ProcessedItem>, E, R>
 * ```
 */
export declare const forEachNonEmpty: <A, B, E, R>(items: Arr.NonEmptyReadonlyArray<A>, f: (item: A, index: number) => Effect.Effect<B, E, R>) => Effect.Effect<Arr.NonEmptyReadonlyArray<B>, E, R>;
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