import { BigNumber as OldBigNumber } from '../../utils/bignumber';
import { PoolBase, PoolTypes, PoolPairBase, SwapTypes, SubgraphPoolBase, SubgraphToken, NoNullableField } from '../../types';
import { BigNumber } from '@ethersproject/bignumber';
declare enum PairTypes {
    BptToToken = 0,
    TokenToBpt = 1,
    TokenToToken = 2
}
export type WeightedPoolToken = Pick<NoNullableField<SubgraphToken>, 'address' | 'balance' | 'decimals' | 'weight'>;
export type WeightedPoolPairData = PoolPairBase & {
    pairType: PairTypes;
    weightIn: BigNumber;
    weightOut: BigNumber;
};
export declare class WeightedPool implements PoolBase<WeightedPoolPairData> {
    poolType: PoolTypes;
    id: string;
    address: string;
    swapFee: BigNumber;
    totalShares: BigNumber;
    tokens: WeightedPoolToken[];
    totalWeight: BigNumber;
    tokensList: string[];
    MAX_IN_RATIO: BigNumber;
    MAX_OUT_RATIO: BigNumber;
    isLBP: boolean;
    static fromPool(pool: SubgraphPoolBase, isLBP?: boolean): WeightedPool;
    constructor(id: string, address: string, swapFee: string, totalWeight: string, totalShares: string, tokens: WeightedPoolToken[], tokensList: string[]);
    parsePoolPairData(tokenIn: string, tokenOut: string): WeightedPoolPairData;
    getNormalizedLiquidity(poolPairData: WeightedPoolPairData): OldBigNumber;
    getLimitAmountSwap(poolPairData: PoolPairBase, swapType: SwapTypes): OldBigNumber;
    updateTokenBalanceForPool(token: string, newBalance: BigNumber): void;
    _exactTokenInForTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
    _tokenInForExactTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
    _spotPriceAfterSwapExactTokenInForTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
    _spotPriceAfterSwapTokenInForExactTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
    _derivativeSpotPriceAfterSwapExactTokenInForTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
    _derivativeSpotPriceAfterSwapTokenInForExactTokenOut(poolPairData: WeightedPoolPairData, amount: OldBigNumber): OldBigNumber;
}
export {};