public void AddAttribute(string intentName, NLUEntity entity, AttributePair attribute)
{
if (!this.attributeMap.Keys.Contains(intentName))
{
Dictionary <string, List <AttributePair> > wordToAttribute = new Dictionary <string, List <AttributePair> >();
this.attributeMap.Add(intentName, wordToAttribute);
}
string key = entity.GetIdentity();
if (!this.attributeMap[intentName].Keys.Contains(key))
{
this.attributeMap[intentName].Add(key, new List <AttributePair>());
}
this.attributeMap[intentName][key].Add(attribute);
}