/**
 * Portfolio service for the Kalshi JavaScript SDK.
 */
import { BaseService } from './BaseService';
import { Balance } from '../models/Balance';
import { Position } from '../models/Position';
import { PositionFilters, TradeHistoryFilters } from '../types';
export declare class PortfolioService extends BaseService {
    /**
     * Get account balance.
     */
    getBalance(): Promise<Balance>;
    /**
     * Get current positions.
     */
    getPositions(filters?: PositionFilters): Promise<Position[]>;
    /**
     * Get a specific position by ticker.
     */
    getPositionByTicker(ticker: string): Promise<Position | null>;
    /**
     * Get trade history.
     */
    getTradeHistory(filters?: TradeHistoryFilters): Promise<any[]>;
    /**
     * Get portfolio summary.
     */
    getPortfolioSummary(): Promise<any>;
    /**
     * Get profit and loss summary.
     */
    getPnlSummary(startDate?: string, endDate?: string): Promise<any>;
    /**
     * Get settlement history.
     */
    getSettlements(filters?: PositionFilters): Promise<any[]>;
    /**
     * Get portfolio performance metrics.
     */
    getPortfolioPerformance(period?: string): Promise<any>;
    /**
     * Export portfolio data.
     */
    exportPortfolioData(format?: string, startDate?: string, endDate?: string): Promise<any>;
}