```ts
const MultistepIndicator: React.FC<{
  aria-label?: string;
  className?: string;
  colorScheme?: ColorScheme;
  currentStepIndex?: number;
  isStepNameTruncated?: boolean;
  isStepNameHidden?: boolean;
  stepClassName?: string;
  steps: MultistepItem[];
  variant?: MultistepIndicatorVariant;
  onStepChange?: (stepNumber) => void;
}>;
```