class_docstr: A Bayes search Recipe. (Experimental)
code: def search_space(self):
      total_params = {
          "epochs": self.epochs,
          "model": "LSTM",
          # --------- model parameters
          "lstm_1_units_float": hp.uniform(8, 128),
          "dropout_1": hp.uniform(0.2, 0.5),
          "lstm_2_units_float": hp.uniform(8, 128),
          "dropout_2": hp.uniform(0.2, 0.5),
          # ----------- optimization parameters
          "lr": hp.uniform(0.001, 0.1),
          "batch_size_float": hp.uniform(32, 128),
      }
      total_params.update(self.bayes_past_seq_config)
      return total_params
  
imports: from bigdl.chronos.autots.deprecated.config.base import Recipe
  from bigdl.orca.automl import hp
  from bigdl.chronos.utils import deprecated
label_desc: Use image node_id 2 for calling the BayesRecipe obj's underlying member method code with example usage: obj.search_space() and returns: total_params