export declare const styles: {
    letterIndexContainer: {
        width: number;
        height: string;
        position: "absolute";
        top: number;
        right: number;
    };
    letterIndexList: {
        alignItems: "center";
        justifyContent: "center";
        height: string;
    };
    letterIndexItem: {
        width: number;
        height: number;
        alignItems: "center";
        justifyContent: "center";
    };
    letterIndexLabel: {
        fontSize: number;
        fontWeight: "bold";
        color: string;
    };
};