class_docstr: A metric that interfaces with an underlying ``BackendSimulator`` and
  returns timestamp map data.
docstr: Given a starting and current time, get the list of intermediate
  timestamps at which we have observations.
docstr_tok: ["Given","a","starting","and","current","time",",","get","the","list","of","intermediate","timestamps","at","which","we","have","observations","."]
code: def convert_to_timestamps(
      self, start_time: float, end_time: float
  ) -> List[float]:
      """Given a starting and current time, get the list of intermediate
      timestamps at which we have observations."""
      raise NotImplementedError
  
imports: from typing import Any, List
  from ax.core.base_trial import BaseTrial
  from ax.core.map_metric import MapMetricFetchResult
  from ax.metrics.noisy_function_map import NoisyFunctionMapMetric
label_desc: Use image node_id 2 for calling the BackendSimulatorTimestampMapMetric obj's underlying member method code with example usage: obj.convert_to_timestamps(start_time, end_time) without return types