import type * as core from "zod/v4/core";
import { $ZodType, $ZodRegistry, $replace } from "zod/v4/core";
import { type ReducedZodChannel, type SchemaMeta, type SchemaMetaRegistry } from "./meta.js";
/**
 * A Zod v4-compatible meta registry that extends the base registry.
 *
 * This registry allows you to associate and retrieve metadata for Zod schemas,
 * leveraging the base registry for storage. It is compatible with Zod v4 and
 * interoperates with the base registry to ensure consistent metadata management
 * across different Zod versions.
 *
 * @template Meta - The type of metadata associated with each schema.
 * @template Schema - The Zod schema type.
 */
export declare class LanggraphZodMetaRegistry<Meta extends SchemaMeta = SchemaMeta, Schema extends $ZodType = $ZodType> extends $ZodRegistry<Meta, Schema> {
    protected parent: SchemaMetaRegistry;
    /**
     * Creates a new LanggraphZodMetaRegistry instance.
     *
     * @param parent - The base SchemaMetaRegistry to use for metadata storage.
     */
    constructor(parent: SchemaMetaRegistry);
    add<S extends Schema>(schema: S, ..._meta: undefined extends Meta ? [$replace<Meta, S>?] : [$replace<Meta, S>]): this;
}
declare module "zod/v4" {
    interface ZodType<out Output = unknown, out Input = unknown, out Internals extends core.$ZodTypeInternals<Output, Input> = core.$ZodTypeInternals<Output, Input>> extends core.$ZodType<Output, Input, Internals> {
        register<R extends LanggraphZodMetaRegistry, TOutput = core.output<this>, TInput = core.input<this>, TInternals extends core.$ZodTypeInternals<TOutput, TInput> = core.$ZodTypeInternals<TOutput, TInput>>(registry: R, meta: SchemaMeta<TOutput, TInput>): ReducedZodChannel<this, ZodType<TOutput, TInput, TInternals>>;
    }
}
export declare const registry: LanggraphZodMetaRegistry<SchemaMeta<any, any>, core.$ZodType<unknown, unknown, core.$ZodTypeInternals<unknown, unknown>>>;