import { Config } from './types';
import AsyncAPIDiff from './asyncapidiff';
/**
 * Generates diff between two AsyncAPI documents
 * @param firstDocument The parsed AsyncAPI document
 * @param secondDocument The parsed AsyncAPI document
 * @param config Configuration options
 * @param {object} [config.override] Object to override the standard
 * @param {string} [config.outputType] The type of output
 * @returns {AsyncAPIDiff} The diff data
 *
 * @example
 * ```
 * const output = diff(firstDocument, secondDocument, {
 *  override: {
 *    '/servers': {
 *      add: 'non-breaking', // when a property has been added in the AsyncAPI document
 *      remove: 'breaking',  // when a property has been removed from the AsyncAPI document
 *      edit: 'unclassified' // when a property has been edited in the AsyncAPI document
 *    }
 *  },
 *  outputType: "yaml"
 * })
 * ```
 */
export declare function diff(firstDocument: any, secondDocument: any, config?: Config): AsyncAPIDiff;