text: from .scst_loss import ScstRewardCriterion
  from .label_smoothed_cross_entropy import AdjustLabelSmoothedCrossEntropyCriterion
  from .clip_scst_loss import ClipScstRewardCriterion
  from .label_smoothed_encouraging_loss import AdjustLabelSmoothedEncouragingLossCriterion
  