import { BigNumber } from '@ethersproject/bignumber';
import { BigNumber as OldBigNumber } from '../../utils/bignumber';
import { PoolBase, PoolTypes, SwapTypes, SubgraphPoolBase, SubgraphToken } from '../../types';
import { StablePoolPairData } from '../stablePool/stablePool';
declare type MetaStablePoolToken = Pick<SubgraphToken, 'address' | 'balance' | 'decimals' | 'priceRate'>;
export declare type MetaStablePoolPairData = StablePoolPairData & {
    tokenInPriceRate: BigNumber;
    tokenOutPriceRate: BigNumber;
};
export declare class MetaStablePool implements PoolBase {
    poolType: PoolTypes;
    id: string;
    address: string;
    amp: BigNumber;
    swapFee: BigNumber;
    totalShares: BigNumber;
    tokens: MetaStablePoolToken[];
    tokensList: string[];
    MAX_IN_RATIO: BigNumber;
    MAX_OUT_RATIO: BigNumber;
    static AMP_DECIMALS: number;
    static fromPool(pool: SubgraphPoolBase): MetaStablePool;
    constructor(id: string, address: string, amp: string, swapFee: string, totalShares: string, tokens: MetaStablePoolToken[], tokensList: string[]);
    parsePoolPairData(tokenIn: string, tokenOut: string): MetaStablePoolPairData;
    getNormalizedLiquidity(poolPairData: MetaStablePoolPairData): OldBigNumber;
    getLimitAmountSwap(poolPairData: MetaStablePoolPairData, swapType: SwapTypes): OldBigNumber;
    updateTokenBalanceForPool(token: string, newBalance: BigNumber): void;
    _exactTokenInForTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    _tokenInForExactTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    _spotPriceAfterSwapExactTokenInForTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    _spotPriceAfterSwapTokenInForExactTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    _derivativeSpotPriceAfterSwapExactTokenInForTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    _derivativeSpotPriceAfterSwapTokenInForExactTokenOut(poolPairData: MetaStablePoolPairData, amount: OldBigNumber): OldBigNumber;
    subtractSwapFeeAmount(amount: BigNumber, swapFee: BigNumber): BigNumber;
    addSwapFeeAmount(amount: BigNumber, swapFee: BigNumber): BigNumber;
}
export {};