import type { ProviderId, ReasoningPreference } from "../../types.js";
import type { ReasoningControlSurface } from "../reasoning-controls.js";
export type ReasoningStyle = "openai" | "nvidia" | "openrouter" | "agentrouter" | "modal" | "stepfun" | "meta" | "bynara" | "none";
export interface ReasoningControlContext {
    readonly profile: ReasoningControlSurface;
    readonly willReplayReasoning: boolean;
    readonly suppressed?: boolean | undefined;
}
export declare function buildReasoningPayload(reasoning: ReasoningPreference | undefined, style: ReasoningStyle, model?: string, providerId?: ProviderId | undefined, control?: ReasoningControlContext | undefined): Record<string, unknown>;