import { Duration, Stream } from "effect";
import { AiError, Response } from "@batonfx/core";
import type { TruncatedStep, TurnStep } from "./test-model.js";
/** @experimental */
export declare const emptyUsage: () => Response.Usage;
declare const finish: (reason: Response.FinishReason, usage: Response.Usage) => Response.FinishPartEncoded;
declare const compileGenerate: (step: TurnStep, requestIndex: number) => Array<Response.PartEncoded>;
/** @experimental A compiled provider stream plus the per-part pacing delay, when scripted. */
export interface CompiledStream {
    readonly parts: ReadonlyArray<Response.StreamPartEncoded>;
    readonly partDelay?: Duration.Input;
}
/** @experimental */
declare const compileStreamFor: (step: TurnStep | TruncatedStep, requestIndex: number) => CompiledStream | AiError.AiError;
/** @experimental */
declare const paceParts: (parts: ReadonlyArray<Response.StreamPartEncoded>, partDelay: Duration.Input) => Stream.Stream<Response.StreamPartEncoded>;
/** @experimental */
export declare const compile: {
    emptyUsage: typeof emptyUsage;
    finish: typeof finish;
    compileGenerate: typeof compileGenerate;
    compileStreamFor: typeof compileStreamFor;
    paceParts: typeof paceParts;
};
export {};