Interface EngineSymbol

interface EngineSymbol {
    type: ProductEngineType;
    productId: number;
    symbol: string;
    priceIncrement: BigNumber;
    sizeIncrement: BigNumber;
    minSize: BigNumber;
    makerFeeRate: BigNumber;
    takerFeeRate: BigNumber;
    longWeightInitial: BigNumber;
    longWeightMaintenance: BigNumber;
    maxOpenInterest: BigNumber | undefined;
    isolatedOnly: boolean;
}