import { Logger } from '../../types';
import { PoolState } from './types';
import { DeepReadonly } from 'ts-essentials';
export declare class NervePoolMath {
    protected name: string;
    protected logger: Logger;
    readonly FEE_DENOMINATOR: bigint;
    readonly A_PRECISION: bigint;
    readonly MAX_LOOP_LIMIT: bigint;
    readonly POOL_PRECISION_DECIMALS: bigint;
    constructor(name: string, logger: Logger);
    calculateSwap(state: DeepReadonly<PoolState>, tokenIndexFrom: number, tokenIndexTo: number, dx: bigint, blockTimestamp: bigint): {
        dy: bigint;
        dyFee: bigint;
    };
    calculateWithdrawOneToken(state: DeepReadonly<PoolState>, tokenAmount: bigint, tokenIndex: number, blockTimeStamp: bigint): {
        dy: bigint;
        dyFee: bigint;
    };
    protected _getNumTokens(state: DeepReadonly<PoolState>): bigint;
    protected _calculateWithdrawOneTokenDY(state: DeepReadonly<PoolState>, tokenIndex: number, tokenAmount: bigint, blockTimestamp: bigint): {
        dy: bigint;
        newY: bigint;
    };
    protected _feePerToken(state: DeepReadonly<PoolState>): bigint;
    protected _calculateCurrentWithdrawFee(state: DeepReadonly<PoolState>): bigint;
    protected _getYD(a: bigint, tokenIndex: number, xp: bigint[], d: bigint): bigint;
    _getY(state: DeepReadonly<PoolState>, tokenIndexFrom: number, tokenIndexTo: number, x: bigint, xp: bigint[], blockTimestamp: bigint): bigint;
    protected _getAPrecise(state: DeepReadonly<PoolState>, blockTimestamp: bigint): bigint;
    protected _getD(state: DeepReadonly<PoolState>, xp: bigint[], a: bigint): bigint;
    _xp(state: DeepReadonly<PoolState>): bigint[];
}