code: function prefixTransitionCallback(match, p1, p2) {
    if (p1 === 'all') return 'all'
    if (p2 === 'all') return ', all'
    return p1 ? supportedProperty(p1) : `, ${supportedProperty(p2)}`
  }
docs: Returns prefixed value transition/transform if needed.
  
  @param {String} match
  @param {String} p1
  @param {String} p2
  @return {String}
  @api private