import type { StandardJSONSchemaV1, StandardSchemaV1, StandardTypedV1 } from "@standard-schema/spec";
import type { StandardSchemaWithJSON } from "@modelcontextprotocol/client";
/**
 * A schema that implements both Standard Schema (validation) and Standard JSON
 * Schema (serialization). Zod v4, ArkType, and Valibot (via
 * `@valibot/to-json-schema`) all satisfy this. Re-exported from the SDK so
 * View authors can import it alongside {@link app!App `App`}.
 *
 * @see https://standardschema.dev/
 */
export type { StandardJSONSchemaV1, StandardSchemaV1, StandardSchemaWithJSON, StandardTypedV1, };
/**
 * Serialize a Standard Schema to JSON Schema for the given direction.
 *
 * Requires `~standard.jsonSchema` (zod v4, ArkType, Valibot, …); schemas
 * without it throw.
 */
export declare function standardSchemaToJsonSchema(schema: StandardSchemaV1, io: "input" | "output"): Promise<Record<string, unknown>>;
/**
 * Validate a value against a Standard Schema. Returns the parsed value on
 * success or throws with a formatted issue list (optionally prefixed).
 */
export declare function validateStandardSchema<S extends StandardSchemaV1>(schema: S, value: unknown, errorPrefix?: string): Promise<StandardSchemaV1.InferOutput<S>>;