/**
 * Reading fields off untrusted `unknown` values.
 *
 * The single owner of turning an unvalidated value into a typed field, so chat
 * parsing never hand-rolls its own record/string checks. Dependency-free apart
 * from JSON stringification: no chat, tool, or schema knowledge belongs here.
 */
import { type ChatJsonValue } from "./json-value.js";
/** JSON-compatible value. Re-exported from `json-value.ts` so both agree by construction. */
export type JsonValue = ChatJsonValue;
/** Check whether a value is a non-array object. */
export declare function isRecord(value: unknown): value is Record<string, unknown>;
/** Return string field. */
export declare function getStringField(value: unknown, field: string, fallback: string): string;
/** Return a string field when present, else undefined. */
export declare function getOptionalStringField(value: unknown, key: string): string | undefined;
/** Return a non-empty string field when present, else undefined. */
export declare function getNonEmptyStringField(value: unknown, key: string): string | undefined;
/** Shallow-copy a value into a plain record, or an empty record. */
export declare function toRecord(value: unknown): Record<string, unknown>;
/** Stringify unknown helper. */
export declare function stringifyUnknown(value: unknown): string;
/** Convert a value into a JSON-safe value. */
export declare function toJsonValue(value: unknown): JsonValue;
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