import mongoose from 'mongoose';
export declare const defaultOptions: mongoose.ConnectionOptions;
/**
 * Checks if connection is already active or not
 * If connection is already active does not try to initiate a new connection
 * @param {import('mongoose').ConnectionOptions} options
 */
export declare function connect(options?: mongoose.ConnectionOptions): Promise<void | typeof mongoose>;
export declare function disconnect(): Promise<void>;
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