import Dexie from 'dexie';
import { Portfolio2, PortfolioId } from '../../../api-public/models/portfolio';
export type BeforeDeletePortfolioFunc = (db: Dexie, portfolioId: PortfolioId) => Promise<any>;
export declare class DexiePortfoliosBaseHelper {
    static getPortfolios2(): Promise<Portfolio2[]>;
    static getPortfolio2(dbIn: Dexie | null, portfolioId: PortfolioId): Promise<Portfolio2>;
    static savePortfolio2(dbIn: Dexie | null, portfolio: Portfolio2): Promise<Portfolio2>;
    static deletePortfolio2(portfolioId: PortfolioId, beforeDeletePortfolioFunc: BeforeDeletePortfolioFunc): Promise<PortfolioId>;
}