text: import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
  import { unstable_capitalize as capitalize } from '@mui/utils';
  
  function isEmpty(string) {
    return string.length === 0;
  }
  /**
   * Generates string classKey based on the properties provided. It starts with the
   * variant if defined, and then it appends all other properties in alphabetical order.
   * @param {object} props - the properties for which the classKey should be created
   */
  
  
  export default function propsToClassKey(props) {
    var variant = props.variant,
        other = _objectWithoutProperties(props, ["variant"]);
  
    var classKey = variant || '';
    Object.keys(other).sort().forEach(function (key) {
      if (key === 'color') {
        classKey += isEmpty(classKey) ? props[key] : capitalize(props[key]);
      } else {
        classKey += "".concat(isEmpty(classKey) ? key : capitalize(key)).concat(capitalize(props[key].toString()));
      }
    });
    return classKey;
  }