code: def get_searchspace_regression_baseline():
      params = get_base_searchspace()
      baseline_params = {
          "objective": "reg:squarederror",
      }
      params.update(baseline_params)
      return params
  
imports: from autogluon.common import space
  from autogluon.core.constants import BINARY, MULTICLASS, REGRESSION
label_desc: Use image node_id 5 for calling a global function with example usage: get_searchspace_regression_baseline() and returns: params