import BN from "bn.js";
import { PoolType } from "../types.js";
export interface TradeSimulationResult {
    grossCost: BN;
    fee: BN;
    netCost: BN;
    tokensAmount: BN;
    pricePerToken: number;
    priceImpact: number;
}
/**
 * Binary search for optimal token amount given SOL budget
 */
export declare function tokensForSolBudget(qVector: BN[], b: BN, poolType: PoolType, strikeIndex: number, isHit: boolean, solBudget: BN): {
    tokens: BN;
    simulation: TradeSimulationResult;
};
/**
 * Calculate SOL cost for buying tokens
 */
export declare function solCostForTokens(qVector: BN[], b: BN, poolType: PoolType, strikeIndex: number, isHit: boolean, tokenAmount: BN): TradeSimulationResult;
/**
 * Calculate SOL refund for selling tokens
 */
export declare function solRefundForTokens(qVector: BN[], b: BN, poolType: PoolType, strikeIndex: number, isHit: boolean, tokenAmount: BN): TradeSimulationResult;
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