docs: private void obtainShadowElevation(@NonNull final TypedArray typedArray) {
          int defaultValue = getResources().getDimensionPixelSize(
                  R.dimen.elevation_shadow_view_shadow_elevation_default_value);
          elevation = pixelsToDp(getContext(), typedArray
                  .getDimensionPixelSize(R.styleable.ElevationShadowView_shadowElevation,
                          defaultValue));
      }