export declare class WassiePawnHelper {
    private contract;
    private web3;
    private contractAddress;
    constructor();
    static init(provider: any): Promise<WassiePawnHelper>;
    loadContract(provider: any): void;
    changeProvider(provider: any): Promise<void>;
    getAccount(): Promise<{
        address: any;
    }>;
    fromWei(amount: number): any;
    getNetworkType(): Promise<any>;
    getLoans(userAddress: string): Promise<any>;
}