MDCActionEmphasis

NS_ENUM(NSInteger, MDCActionEmphasis) {
  /* Low emphasis attribute produces low emphasis appearance when attached to actions or buttons */
  MDCActionEmphasisLow = 0,
  /* a Medium emphasis attribute produces a medium emphasis appearance */
  MDCActionEmphasisMedium = 1,
  /* a High emphasis attribute produces a high emphasis appearance */
  MDCActionEmphasisHigh = 2,
}

Undocumented