docs: private void tryRippleExit() {
          if (mRipple != null) {
              if (mExitingRipples == null) {
                  mExitingRipples = new RippleForeground[MAX_RIPPLES];
              }
              mExitingRipples[mExitingRipplesCount++] = mRipple;
              mRipple.exit();
              mRipple = null;
          }
      }