declare class ExchangeConfig {
    private static instance;
    private exchange;
    private abis;
    private constructor();
    static getInstance(): ExchangeConfig;
    setExchange(exchange: string): Promise<void>;
    getABI(type: 'router' | 'pool'): any;
    getExchange(): string | null;
    private loadABI;
}
export declare const exchangeConfig: ExchangeConfig;
export {};