import type { Theme } from "@mui/material/styles";
/** MUI sx multipliers — resolved against theme.shape.borderRadius */
export declare const RADIUS: {
    readonly default: 1;
    readonly none: 0;
    readonly circle: "50%";
    readonly pill: 9999;
};
declare module "@mui/material/styles" {
    interface Theme {
        radii: typeof RADIUS;
    }
    interface ThemeOptions {
        radii?: typeof RADIUS;
    }
}
/** For styled() / raw CSS where px is required */
export declare const radiusPx: (theme: Theme) => number;
/** Drawer/sheet corners derived from theme.shape.borderRadius */
export declare const drawerSheetRadius: (anchor: "top" | "bottom" | "left" | "right", theme: Theme) => string | number;