code: def get_config(self):
          
          # Fill this dict with config data
          return {
              'hash_name': self.hash_name,
              'dim': self.dim,
              'projection_count': self.projection_count,
              'normals': self.normals,
              'tree_root': self.tree_root,
              'minimum_result_size': self.minimum_result_size
          }
docs: Returns pickle-serializable configuration struct for storage.