/**
 * Add metaschema annotations to their corresponding custom notation counterparts
 * @module metaschemaMapper
 */
import type { DocumentNode } from 'graphql/language';
/**
 * Accepts a document node and replaces the legacy custom directives with metaschema directives "in-place"
 * @param doc
 */
export declare function metaschemaMapper(doc: DocumentNode): void;