import { Db } from 'mongodb';
declare class DatabaseConnection {
    private client;
    private db;
    private connectionPromise;
    private retryCount;
    private maxRetries;
    connect(): Promise<Db>;
    private establishConnection;
    private createIndexes;
    disconnect(): Promise<void>;
    getDb(): Db | null;
}
export declare const dbConnection: DatabaseConnection;
export {};
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