code: function _getMatchPriorityArray(arry, matchPriority) {
    arry[matchPriority.matchType] = arry[matchPriority.matchType] || []
    const matchTypeArray = arry[matchPriority.matchType]
    const matchPriorityArray = (matchTypeArray[matchPriority.magicWordIndex] =
      matchTypeArray[matchPriority.magicWordIndex] || [])
    return matchPriorityArray
  }
docs: Creates a spot in the given array for the matchPriority
  @param {Array.<Array>} arry
  @param {MatchPriority} matchPriority
  @returns {Array.<string>}
  @private