import { SchemaFragment } from '@stoplight/json-schema-tree';
export type VendorExtensionsList = {
    [keyof: string]: unknown;
};
export type VendorExtensionsResult = [number, VendorExtensionsList];
/**
 * Extract all vendor extensions or properties prefix with 'x-' from the schema definition
 * @param fragment The fragment to extract the vendor extensions from
 * @returns VendorExtensionsResult
 */
export declare function extractVendorExtensions(fragment: SchemaFragment | boolean): VendorExtensionsResult;