import { PythPrice } from "./types.js";
import type { OutcomeResult } from "../outcome/types.js";
import BN from "bn.js";
/**
 * Pyth Price Service
 *
 * Fetches SOL/USD prices from Pyth Hermes API for:
 * - Displaying current prices
 * - Checking if price crosses strikes
 * - Getting price update data for on-chain verification
 *
 * @example
 * ```typescript
 * const priceService = new PythPriceService();
 *
 * // Get current price
 * const price = await priceService.getLatestPrice();
 * console.log(`SOL/USD: $${price.price}`);
 *
 * // Get price update data for on-chain posting
 * const updateData = await priceService.getPriceUpdateData();
 * ```
 */
export declare class PythPriceService {
    private hermesUrl;
    private feedId;
    /**
     * Create a new PythPriceService
     *
     * @param hermesUrl - Hermes API URL (default: https://hermes.pyth.network)
     * @param feedId - Pyth feed ID (default: SOL/USD)
     */
    constructor(hermesUrl?: string, feedId?: string);
    /**
     * Get the latest SOL/USD price
     *
     * @returns Parsed price data
     * @throws Error if fetch fails or price is not available
     */
    getLatestPrice(): Promise<PythPrice>;
    /**
     * Get price update data for posting to Pyth Solana Receiver
     *
     * This returns the VAA (Verified Action Approval) data that needs to be
     * posted on-chain before calling mark_extreme.
     *
     * @returns Base64-encoded price update data
     * @throws Error if fetch fails
     */
    getPriceUpdateData(): Promise<string[]>;
    /**
     * Calculate the expected outcome based on current price and strikes
     *
     * @deprecated Use calculateOutcome from @pit-protocol/sdk/outcome instead
     *
     * @param priceInCents - Current price in cents
     * @param strikes - Strike prices in cents [strike0, strike1, strike2]
     * @returns Outcome for both High and Low pools
     */
    calculateOutcome(priceInCents: number, strikes: [BN, BN, BN] | [number, number, number]): OutcomeResult;
    /**
     * Check if a new outcome should be marked
     *
     * @deprecated Use shouldMarkExtreme from @pit-protocol/sdk/outcome instead
     *
     * @param currentOutcome - Current winning_outcome from pool
     * @param newOutcome - Calculated outcome from price
     * @returns true if newOutcome > currentOutcome (should call mark_extreme)
     */
    shouldMarkExtreme(currentOutcome: number, newOutcome: number): boolean;
}
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