findMatch(keyHistory, key, keyEventType) {
    const combinationMatcher = this._findCombinationMatcher(keyHistory);

    if (combinationMatcher) {
      return combinationMatcher.findMatch(
        keyHistory.currentCombination,
        keyHistory.currentCombination.getNormalizedKeyName(key),
        keyEventType
      )
    }

    return null;
  }
Attempts to find a match from the list of possible matches previously registered
for a given key event and key combination history
@param {KeyHistory} keyHistory History to attempt to
       find a match for
@param {ReactKeyName} key Name of the key to find a match for
@param {KeyEventType} keyEventType Type of event to find a match
@returns {MatchingActionConfig|null} First MatchingActionOptions that matches