code: func DefaultCollisionConfig() sphero.CollisionConfig {
  	return sphero.CollisionConfig{
  		Method: 0x01,
  		Xt:     0x20,
  		Yt:     0x20,
  		Xs:     0x20,
  		Ys:     0x20,
  		Dead:   0x01,
  	}
  }
docs: // DefaultCollisionConfig returns a CollisionConfig with sensible collision defaults