Method _stateChanged

src/cdk/stepper/stepper.ts:525–527

Marks the component to be change detected.

()

  /** Marks the component to be change detected. */
  _stateChanged() {
    this._changeDetectorRef.markForCheck();
  }

  /** Returns position state of the step with the given index. */
  _getAnimationDirection(index: number): StepContentPositionState {