class_docstr: A recipe involves both grid search and random search, only for LSTM.
code: def search_space(self):
      return {
          "model": "Seq2Seq",
          "latent_dim": self.latent_dim,
          "dropout": self.dropout_config,
          # ----------- optimization parameters
          "lr": self.lr,
          "batch_size": self.batch_size,
          "epochs": self.epochs,
          "past_seq_len": self.past_seq_config,
      }
  
imports: from zoo.chronos.autots.deprecated.config.base import Recipe
  from zoo.orca.automl import hp
  from zoo.chronos.utils import deprecated
label_desc: Use image node_id 2 for calling the Seq2SeqRandomRecipe obj's underlying member method code with example usage: obj.search_space() and returns: dict