import { Database } from 'arangojs';
import { DatabaseProvider } from '../..';
import { ViewAnalyzerOptions, ViewMap } from './interface';
import { Logger } from 'winston';
export interface CustomQuery {
    code: string;
    type: 'filter' | 'query';
}
/**
 * ArangoDB database provider.
 */
export declare class Arango implements DatabaseProvider {
    readonly db: Database;
    readonly logger?: Logger;
    readonly customQueries: Map<string, CustomQuery>;
    readonly collectionNameAnalyzerMap: Map<string, ViewMap>;
    /**
     *
     * @param {Object} conn Arangojs database connection.
     */
    constructor(db: Database, logger?: Logger);
    /**
     * Find documents based on filter.
     *
     * @param  {String} collectionName Collection name
     * @param  {Object} filter     Key, value Object
     * @param  {Object} options     options.limit, options.offset
     * @return {Promise<any>}  Promise for list of found documents.
     */
    find(collectionName: string, filter?: any, options?: any): Promise<any>;
    /**
     * Find documents by id (_key).
     *
     * @param  {String} collection Collection name
     * @param  {String|array.String} ids  A single ID or multiple IDs.
     * @return {Promise<any>} A list of found documents.
     */
    findByID(collectionName: string, ids: string | string[]): Promise<any>;
    /**
     * retreive the documents including the document handlers (_key, _id and _rev).
     *
     * @param  {String} collectionName Collection name
     * @param  {any} collection Collection Object
     * @param  {any} documents list of documents
     * @param  {string[]} idsArray list of document ids
     * @returns  {Promise<any>} A list of documents including the document handlers
     */
    getDocumentHandlers(collectionName: string, collection: any, documents: any, idsArray?: string[]): Promise<any>;
    /**
     * Find documents by filter and updates them with document.
     *
     * @param  {String} collection Collection name
     * @param  {Object} updateDocuments  List of documents to update
     */
    update(collectionName: string, updateDocuments: any): Promise<any>;
    /**
     * Find each document based on it's key and update it.
     * If the document does not exist it will be created.
     *
     * @param  {String} collectionName Collection name
     * @param {Object|Array.Object} documents
     */
    upsert(collectionName: string, documents: any): Promise<any>;
    /**
     * Delete all documents with provided identifiers ids.
     *
     * @param  {String} collection Collection name
     * @param  {Object} ids list of document identifiers
     * @return  {Promise<any>} delete response
     */
    delete(collectionName: string, ids: string[]): Promise<any>;
    /**
     * Count all documents selected by filter.
     *
     * @param  {String} collection Collection name
     * @param  {Object} filter
     */
    count(collectionName: string, filter: any): Promise<any>;
    /**
     * When calling without a collection name,
     * delete all documents in all collections in the database.
     * When providing a collection name,
     * delete all documents in specified collection in the database.
     * @param [string] collection Collection name.
     */
    truncate(collection: string): Promise<any>;
    /**
     * Drop view
     * @param string[] list of view names.
     */
    dropView(viewName: string[]): Promise<any>;
    /**
     * Delete Analyzer
     * @param string[] list of analyzer names.
     */
    deleteAnalyzer(analyzerName: string[]): Promise<any>;
    /**
     * Insert documents into database.
     *
     * @param  {String} collection Collection name
     * @param  {Object|array.Object} documents  A single or multiple documents.
     */
    insert(collectionName: string, documents: any): Promise<any>;
    /**
     * Registers a custom AQL query.
     *
     * @param script
     * @param name
     */
    registerCustomQuery(name: string, script: string, type: 'filter' | 'query'): void;
    /**
     * Unregisters a custom query.
     * @param name
     */
    unregisterCustomQuery(name: string): void;
    listCustomQueries(): Array<any>;
    createAnalyzerAndView(viewConfig: ViewAnalyzerOptions, collectionName: string): Promise<void>;
}