import type { AnySchemaObject } from 'ajv';
import type { SchemaVersion } from './types.js';
export declare function constantResultSchema(schema: AnySchemaObject): boolean | undefined;
export declare function metaSchema(version: SchemaVersion): "http://json-schema.org/draft-07/schema" | "https://json-schema.org/draft/2019-09/schema" | "https://json-schema.org/draft/2020-12/schema";