import { Effect, Ref } from "effect";
import type { ModelSelection } from "../model/model-registry.js";
import type { ToolSchedulingPolicy } from "./agent.js";
import type { HandoffRunState } from "./handoff-state.js";
/** @internal Resolve turn-scoped authority from the current handoff state. */
export declare const makeActiveTurn: (input: {
    readonly agent: {
        readonly name: string;
        readonly toolScheduling: ToolSchedulingPolicy;
    };
    readonly handoffStateRef?: Ref.Ref<HandoffRunState>;
    readonly agentModel: ModelSelection | undefined;
}) => {
    activeAgentName: () => Effect.Effect<string>;
    activeModelSelection: () => Effect.Effect<ModelSelection | undefined>;
    activeToolScheduling: () => Effect.Effect<ToolSchedulingPolicy>;
    sendClock: import("../model/prompt-cache.js").SendClock;
};