import { EmptyStreamYieldError } from "./errors.js";
import { Effect, Stream } from "effect";
export type Yieldable<A = unknown, E = unknown, R = unknown> = Effect.Effect<A, E, R> | Effect.gen.Return<A, E, R> | Stream.Stream<A, E, R>;
export type YieldSuccess<Value> = Value extends Stream.Stream<infer A, unknown, unknown> ? A : Value extends Effect.Effect<infer A, unknown, unknown> ? A : Value extends Effect.gen.Return<infer A, unknown, unknown> ? A : never;
/** Normalizes generated Effect and generator values at the transform ABI boundary. */
export declare function ToEffect<A, E, R>(value: Effect.Effect<A, E, R> | Effect.gen.Return<A, E, R>): Effect.Effect<A, E, R>;
export declare function ToEffect<A, E, R>(value: Stream.Stream<A, E, R>): Effect.Effect<A, E | EmptyStreamYieldError, R>;