import type { JsonObject } from "./types";
export type DescriptionSpillFormat = "spill" | "paren";
/**
 * Demote stripped JSON Schema keywords into a node's `description` so the model
 * still receives the constraint as natural-language context after the wire
 * schema drops it.
 */
export declare function spillToDescription(node: JsonObject, entries: ReadonlyArray<readonly [string, unknown]>, format?: DescriptionSpillFormat): void;