import { Sequelize, Options, SyncOptions } from "sequelize";
import { MetadataStore, DataProperty } from "breeze-client";
import { DbConfig } from "./dbUtils";
import { NameModelMap } from "./MetadataMapper";
export interface KeyGenerator {
    getNextId: (prop: DataProperty) => any;
}
/** Manages the Sequelize instance for Breeze query and save operations */
export declare class SequelizeManager {
    static Sequelize: typeof Sequelize;
    sequelizeOptions: Options;
    dbConfig: DbConfig;
    sequelize: Sequelize;
    /** Same as resourceNameSqModelMap */
    models: NameModelMap;
    /** Maps resource name to Sequelize Model */
    resourceNameSqModelMap: NameModelMap;
    /** Maps entity type name to Sequelize Model */
    entityTypeSqModelMap: NameModelMap;
    metadataStore: MetadataStore;
    /** Generates keys for entity types where autoGeneratedKeyType = "KeyGenerator" */
    keyGenerator: KeyGenerator;
    constructor(dbConfig: DbConfig, sequelizeOptions: Options);
    /** Connect to the database */
    authenticate(): Promise<void>;
    /** Create a new database */
    createDb(): Promise<void>;
    /** Import Sequelize models, create Breeze metadata from the models, and build the maps between them. */
    importModels(modelDir: string, namespace: string): void;
    /** Convert Breeze metadata to Sequelize models */
    importMetadata(breezeMetadata: MetadataStore | string | Object): void;
    /** Sync the Sequelize model with the database */
    sync(shouldCreateDb: boolean, sequelizeOpts: SyncOptions): Promise<Sequelize>;
    private syncCore;
}