code: def store_vector(self, hash_name, bucket_key, v, data):
          
  
          if not hash_name in self.buckets:
              self.buckets[hash_name] = {}
  
          if not bucket_key in self.buckets[hash_name]:
              self.buckets[hash_name][bucket_key] = []
          self.buckets[hash_name][bucket_key].append((v, data))
docs: Stores vector and JSON-serializable data in bucket with specified key.