/**
 * @file
 *
 * Serializes a value to JSON, preserving function bodies as raw source text.
 */
/**
 * Serializes a value to JSON with function bodies included as raw source text.
 *
 * Standard `JSON.stringify` omits functions entirely. This helper replaces
 * each function value with a unique placeholder during stringification,
 * then substitutes the placeholders with the real `toString()` output.
 *
 * @param value - The value to serialize.
 * @returns A JSON-like string where functions appear as their source text.
 */
export declare function jsonWithFunctions(value: unknown): string;