import * as admin from 'firebase-admin';
interface ReadQuery {
    path: string;
    field: string;
    equalTo: any;
    limit?: number;
}
export declare class RealTimeDb {
    db: admin.database.Database;
    private static _instance;
    static get Instance(): RealTimeDb;
    private constructor();
    /**
     * getRef
     */
    getRef(path: string): admin.database.Reference;
    setData: (path: string, data: any) => Promise<any>;
    readData: (args: ReadQuery) => Promise<any>;
}
export default RealTimeDb;