export interface IStepperOptions {
  currentIndex?: number
  isCompleted?: boolean
  mode?: string
}

export interface IStepper {
  options?: IStepperOptions

  setProcessedNavItem(n?: number): void
  unsetProcessedNavItem(n?: number): void
  goToNext(): void
  disableButtons(): void
  enableButtons(): void
  setErrorNavItem(n?: number): void
  destroy(): void
}

export interface IStepperItem {
  index: number
  isFinal: boolean
  isCompleted: boolean
  isSkip: boolean
  isOptional?: boolean
  isDisabled?: boolean
  isProcessed?: boolean
  isInvalid?: boolean
  el: HTMLElement
}