code: def f(self, x: np.ndarray) -> float:
      return checked_cast(float, hartmann6(x))
  
file_path: Ax/ax/metrics/hartmann6.py
imports: import numpy
  from ax.metrics.noisy_function import NoisyFunctionMetric
  from ax.utils.common.typeutils import checked_cast
  from ax.utils.measurement.synthetic_functions import aug_hartmann6, hartmann6
label_desc: Use image node_id 1 for calling the Hartmann6Metric obj's underlying member method code with example usage: obj.f(x) and returns: checked_cast