export declare const shell: import("tailwind-variants").TVReturnType<{
    direction: {
        horizontal: {
            base: string;
        };
        vertical: {
            base: string;
        };
    };
}, {
    base: string;
    main: string;
}, undefined, {
    direction: {
        horizontal: {
            base: string;
        };
        vertical: {
            base: string;
        };
    };
}, {
    base: string;
    main: string;
}, import("tailwind-variants").TVReturnType<{
    direction: {
        horizontal: {
            base: string;
        };
        vertical: {
            base: string;
        };
    };
}, {
    base: string;
    main: string;
}, undefined, unknown, unknown, undefined>>;