import { ISearchTxResponse, ITransactionInfo } from "../types";
export default class HistoryService {
    private static instance;
    static getInstance(): HistoryService;
    queryHistoryList(params: {
        account: string;
        pageNum: number;
        pageSize: number;
    }): Promise<{
        transactions: ITransactionInfo[];
        count: number;
    }>;
    searchTransaction(txHash: string): Promise<ISearchTxResponse>;
}
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