/**
 * A pre-compiled stringify function.
 *
 * Generated at boot or on first use from a Zod schema.
 * Accepts any object and returns a JSON string (minified).
 *
 * @example
 * ```typescript
 * const stringify = serializer.compile(myZodSchema);
 * const json = stringify({ id: 1, name: 'Alice' });
 * // '{"id":1,"name":"Alice"}'
 * ```
 */
export type StringifyFn = (doc: unknown) => string;
/**
 * AOT JSON serialization engine.
 *
 * Compiles Zod schemas into fast stringify functions at boot time
 * or lazily on first use. Maintains a per-schema cache to avoid
 * recompilation.
 */
export interface JsonSerializer {
    /**
     * Compile a Zod schema into a fast stringify function.
     *
     * Returns `undefined` if `fast-json-stringify` is not available
     * or if compilation fails (defensive fallback).
     *
     * @param schema - Any Zod schema (ZodObject, ZodArray, etc.)
     * @returns A compiled stringify function, or `undefined`
     */
    compile(schema: unknown): StringifyFn | undefined;
    /**
     * Stringify data using a compiled function or native fallback.
     *
     * @param data - The data to serialize
     * @param compiled - Optional pre-compiled stringify function
     * @returns JSON string
     */
    stringify(data: unknown, compiled?: StringifyFn): string;
}
/**
 * Create an AOT JSON serializer.
 *
 * The serializer lazy-loads `fast-json-stringify` and provides
 * compile/stringify methods with automatic fallback.
 *
 * @example
 * ```typescript
 * const serializer = createSerializer();
 * await serializer.init(); // optional: pre-load the fjs module
 *
 * const stringify = serializer.compile(myZodSchema);
 * if (stringify) {
 *     const json = stringify(data); // 2-5x faster
 * }
 * ```
 */
export declare function createSerializer(): JsonSerializer & {
    init(): Promise<void>;
};
/**
 * Global singleton serializer.
 *
 * Shared across the engine so all Presenters and response helpers
 * use the same cache and fjs module reference.
 */
export declare const defaultSerializer: JsonSerializer & {
    init(): Promise<void>;
};
//# sourceMappingURL=JsonSerializer.d.ts.map