/// <reference types="bn.js" />
import { AMM, OracleGuardRails } from '../types';
import { OraclePriceData } from '../oracles/types';
import { BN, HistoricalOracleData, PerpMarketAccount } from '../index';
export declare function oraclePriceBands(market: PerpMarketAccount, oraclePriceData: OraclePriceData): [BN, BN];
export declare function isOracleValid(amm: AMM, oraclePriceData: OraclePriceData, oracleGuardRails: OracleGuardRails, slot: number): boolean;
export declare function isOracleTooDivergent(amm: AMM, oraclePriceData: OraclePriceData, oracleGuardRails: OracleGuardRails, now: BN): boolean;
export declare function calculateLiveOracleTwap(histOracleData: HistoricalOracleData, oraclePriceData: OraclePriceData, now: BN, period: BN): BN;
export declare function calculateLiveOracleStd(amm: AMM, oraclePriceData: OraclePriceData, now: BN): BN;
export declare function getNewOracleConfPct(amm: AMM, oraclePriceData: OraclePriceData, reservePrice: BN, now: BN): BN;