/**
 * Conservative coercion of stringified structured args.
 *
 * Models sometimes pass `todos: "[{...}]"` where the schema wants an array.
 * Coerce only when schema types exclude "string", the string looks structural,
 * JSON.parse succeeds, and the parsed JSON type is accepted.
 */
/**
 * Coerce top-level string fields whose schema demands a non-string JSON value.
 * Returns original args when nothing changes.
 */
export declare function coerceStringifiedArgs(schema: unknown, args: Record<string, unknown>): {
    args: Record<string, unknown>;
    coerced: string[];
};
export declare function hasCoercibleFields(schema: unknown): boolean;