def METHOD_NAME(self) -> float:
    """The most likely eigenvalue of the Hamiltonian.
    This method calls `most_likely_phase` and scales the result to
    obtain an eigenvalue.
    Returns:
        The most likely eigenvalue of the Hamiltonian.
    """
    phase = self.phase
    return self._phase_estimation_scale.scale_phase(phase, self._id_coefficient)