import { Type } from '@nestjs/common';
import { Observable } from 'rxjs';
import { Sequelize } from 'sequelize-typescript';
import { SequelizeModuleOptions } from '../interfaces';
export declare function getModelToken(entity: Function, connection?: SequelizeModuleOptions | string): string;
export declare function getConnectionToken(connection?: SequelizeModuleOptions | string): string | Function | Type<Sequelize>;
export declare function getConnectionPrefix(connection?: SequelizeModuleOptions | string): string;
export declare function handleRetry(retryAttempts?: number, retryDelay?: number): <T>(source: Observable<T>) => Observable<T>;
export declare function getConnectionName(options: SequelizeModuleOptions): string;
export declare const generateString: () => `${string}-${string}-${string}-${string}-${string}`;