/// export declare const CardHeader: import("@emotion/styled").StyledComponent<{ action?: import("react").ReactNode; avatar?: import("react").ReactNode; classes?: Partial | undefined; disableTypography?: boolean | undefined; subheader?: import("react").ReactNode; subheaderTypographyProps?: import("@mui/material").TypographyProps<"span", { component?: "span" | undefined; }> | undefined; sx?: import("@mui/material").SxProps | undefined; title?: import("react").ReactNode; titleTypographyProps?: import("@mui/material").TypographyProps<"span", { component?: "span" | undefined; }> | undefined; } & import("@mui/material/OverridableComponent").CommonProps & Omit, HTMLDivElement>, "ref"> & { ref?: import("react").RefObject | ((instance: HTMLDivElement | null) => void) | null | undefined; }, keyof import("@mui/material/OverridableComponent").CommonProps | "title" | "action" | "sx" | "disableTypography" | "avatar" | "subheader" | "subheaderTypographyProps" | "titleTypographyProps"> & import("@mui/system").MUIStyledCommonProps, {}, {}>;