react-playground/node_modules/@mui/x-internals/slots/index.d.ts

import * as React from 'react';
export type PropsFromSlot<Slot extends React.JSXElementConstructor<any> | React.ElementType | null | undefined> = NonNullable<Slot> extends React.ElementType<infer P> ? P : React.ComponentProps<NonNullable<Slot>>;