code: def setUp(self) -> None:
      self.num_arms = 2
      mu = {"m1": [0.0, 0.5], "m2": [0.1, 0.6]}
      cov = {
          "m1": {"m1": [0.0, 0.0], "m2": [0.0, 0.0]},
          "m2": {"m1": [0.0, 0.0], "m2": [0.0, 0.0]},
      }
      self.predict = (mu, cov)
  
file_path: Ax/ax/core/tests/test_types.py
imports: from ax.core.types import merge_model_predict, validate_evaluation_outcome, validate_floatlike, validate_map_dict, validate_param_value, validate_parameterization, validate_single_metric_data, validate_trial_evaluation
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 1 for calling the TypesTest obj's underlying member method code with example usage: obj.setUp() without return types