code: def get_option_collection_hash(self):
          
          resp = self._get_json(self.OPTION_COLLECTION_HASH_ENDPOINT)
          ret = {}
          for result in resp:
              ret[result['option_collection_hash']] = result['options']
  
          return ret
docs: Gets option collection hash, a mapping of hash values to build properties
  
          Returns a dictionary with the following structure:
  
              {
                  hashkey1: [ { key: value }, { key: value }, ... ],
                  hashkey2: [ { key: value }, { key: value }, ... ],
                  ...
              }