import type { z } from 'zod';
/**
 * Metadata stored on a schema node annotated by `withDefault`.
 *
 * During serialization, `cleanDefaultValues()` walks the schema and uses this
 * metadata to identify and remove values that match their defaults.
 */
interface DefaultSchemaMeta {
    readonly defaultValue: unknown;
}
/**
 * Registry that stores default-value metadata on Zod schema instances.
 *
 * Uses a WeakMap to avoid interfering with Zod's type system.
 * Annotated by `withDefault()`; read by `cleanDefaultValues()`.
 */
export declare const definitionDefaultRegistry: {
    set(schema: z.ZodType, meta: DefaultSchemaMeta): void;
    get(schema: z.ZodType): DefaultSchemaMeta | undefined;
};
export {};
//# sourceMappingURL=definition-default-registry.d.ts.map