@mui/material/styles/zIndex.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 interface ZIndex {
  mobileStepper: number;
  speedDial: number;
  appBar: number;
  drawer: number;
  modal: number;
  snackbar: number;
  tooltip: number;
  fab: number;
}
export type ZIndexOptions = Partial<ZIndex>;
declare const zIndex: ZIndex;
export default zIndex;