export declare type QuantityProps = {
    toAmount?: string | null;
    fromAmount?: string | null;
    fromAsset: string | undefined;
    toMarket: string | undefined;
};
export declare function useQuantity({ toAmount, fromAmount, fromAsset, toMarket, }: QuantityProps): {
    getQuantity: () => {
        quoteOrderQty: number | undefined;
        quantity: number | undefined;
    };
    availableSymbols: import("../useMarkets").Market[] | undefined;
    isLoading: boolean | undefined;
};
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