export declare const css: import("styled-components").BaseThemedCssFunction<import("@xstyled/system").Theme>, styled: import("@xstyled/styled-components").XStyled<import("@xstyled/system").StyleGenerator<import("@xstyled/system").SystemProps<import("@xstyled/system").Theme>>>, createGlobalStyle: typeof import("styled-components").createGlobalStyle;