import type { _A, _E, _R } from "../Utils";
import type { Effect } from "./effect";
/**
 * Compact the union produced by the result of f
 *
 * @ets_optimize identity
 */
export declare function unionFn<ARGS extends any[], Ret extends Effect<any, any, any>>(_: (...args: ARGS) => Ret): (...args: ARGS) => Effect<_R<Ret>, _E<Ret>, _A<Ret>>;
/**
 * Compact the union
 *
 * @ets_optimize identity
 */
export declare function union<Ret extends Effect<any, any, any>>(_: Ret): Effect<_R<Ret>, _E<Ret>, _A<Ret>>;
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