export declare class ProtocolFeeLibrary { static readonly MAX_PROTOCOL_FEE: bigint; static readonly FEE_0_THRESHOLD: bigint; static readonly FEE_1_THRESHOLD: bigint; static readonly PIPS_DENOMINATOR: bigint; static getZeroForOneFee(protocolFee: bigint): bigint; static getOneForZeroFee(protocolFee: bigint): bigint; static isValidProtocolFee(protocolFee: bigint): boolean; static calculateSwapFee(protocolFee: bigint, lpFee: bigint): bigint; }