@mui/material/themeCssVarsAugmentation/index.d.ts

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

export {};
/**
 * Enhance the theme types to include new properties from the CssVarsProvider.
 * The theme is typed with CSS variables in `styled`, `sx`, `useTheme`, etc.
 */
declare module '@mui/material/styles' {
  interface CssThemeVariables {
    enabled: true;
  }
}