/// <reference types="bn.js" />
import { BN } from '@coral-xyz/anchor';
import { MarginCategory, SpotBalanceType, SpotMarketAccount } from '../types';
export declare function castNumberToSpotPrecision(value: number | BN, spotMarket: SpotMarketAccount): BN;
export declare function calculateSpotMarketMarginRatio(market: SpotMarketAccount, oraclePrice: BN, marginCategory: MarginCategory, size: BN, balanceType: SpotBalanceType, customMarginRatio?: number): number;