/**
 * The run body's REASONING seat (R5), verbatim from `Runner.runLocked`: the leg-entry resolution of
 * the requested reasoning intensity against the model's real capability, the ONE publisher that writes both faces
 * (the `reasoning.resolved` trace frame and the `TaskResult.effectiveReasoning` seat on the backstop carrier), and
 * the wire-facts consumer that lets the leg's FIRST committed request correct the cap-blind mint (once; foreign
 * reports are contained at their call sites, not here).
 */
import { type ReasoningWireFacts, type ResolvedReasoning } from "../../brain/reasoning.js";
import type { Prepared, RunState, TaskIdRef } from "./contracts.js";
export interface RunReasoningSeatInput {
    /** borrowed-readonly — the leg's prepared seat: the requested thinking level and the model. */
    prepared: Prepared;
    /** borrowed-readonly — the run's mutable state, read for the trace frames' tracer and task id. */
    rs: RunState;
    /** borrowed-mutable — the stream layer's backstop carrier: `effectiveReasoning` is published here at every mint. */
    taskIdRef: TaskIdRef | undefined;
}
export interface RunReasoningSeatResult {
    /** The CONSUMPTION half of {@link ReasoningWireFacts} — installed as the third brain ALS sink. */
    observeReasoningWireFacts: (facts: ReasoningWireFacts) => void;
    /** The leg's resolution as a READ FACE over this lane's own `let` (the leg-entry mint, then at most one
     *  first-committed-request correction): the settle lane's result assembly reads it for `effectiveReasoning`. */
    reasoningResolution: {
        readonly current: ResolvedReasoning | undefined;
    };
}
export declare function runReasoningSeat(input: RunReasoningSeatInput): RunReasoningSeatResult;