import type { LenderYields, BalanceData, AprData, LoopPostTradeMetrics } from '../types';
/**
 * Compute post-trade balance & APR metrics for a collateral swap.
 *
 * Withdraws `dollarIn` of one collateral asset and deposits `dollarOut` of another.
 */
export declare function computeCollateralSwapDeltas(dollarIn: number, dollarOut: number, yieldParamsIn: LenderYields, yieldParamsOut: LenderYields, balance: BalanceData, apr: AprData, ltvIn: number, collateralLtvIn: number, ltvOut: number, collateralLtvOut: number): LoopPostTradeMetrics;
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