import { Server } from "stellar-sdk";
import { Account, AccountDetails, Collection, CollectionParams, Offer, Payment, Trade, WatcherParams } from "../types";
export interface DataProviderParams {
    serverUrl: string;
    accountOrKey: Account | string;
}
export declare class DataProvider {
    private accountKey;
    private serverUrl;
    private server;
    private _watcherTimeouts;
    private effectStreamEnder?;
    private callbacks;
    private errorHandlers;
    constructor(params: DataProviderParams);
    isValidKey(): boolean;
    getAccountKey(): string;
    getServer(): Server;
    isAccountFunded(): Promise<boolean>;
    fetchOpenOffers(params?: CollectionParams): Promise<Collection<Offer>>;
    fetchTrades(params?: CollectionParams): Promise<Collection<Trade>>;
    fetchPayments(params?: CollectionParams): Promise<Collection<Payment>>;
    fetchAccountDetails(): Promise<AccountDetails>;
    watchAccountDetails(params: WatcherParams<AccountDetails>): () => void;
    watchPayments(params: WatcherParams<Payment>): () => void;
    private _processOpenOffers;
    private _processTrades;
    private _processPayments;
    private _startEffectWatcher;
}