code: def get_searchspace_quantile():
      spaces = get_searchspace_regression()
  
      # residual threshold parameter in HuberPinballLoss
      spaces.update({"alpha": Categorical(0.001, 0.01, 0.1, 1.0)})
      return spaces
  
imports: from autogluon.common import space
  from autogluon.core.constants import BINARY, MULTICLASS, QUANTILE, REGRESSION
label_desc: Use image node_id 5 for calling a global function with example usage: get_searchspace_quantile() and returns: spaces