`signature_keys` contains more than one signature key,
      `representative_datsaet` should be a mapping that maps each signature keys
      to the corresponding representative dataset.
    force_graph_mode_calibration: If set to true, it forces calibration in graph
      model instead of eager mode when the context is in eager mode.

  Raises:
    ValueError iff:

             'compilation to reduce the compilation time?'),
      'Eigen strong inline overridden.', 'Not overriding eigen strong inline, '
      'some compilations could take more than 20 mins.'):
    # Due to a known MSVC compiler issue
    # https://github.com/tensorflow/tensorflow/issues/10521
    # Overriding eigen strong inline speeds up the compiling of