def METHOD_NAME(self, obj, *, many: bool = False):
    """Override to add private preview hidden fields"""
    from azure.ai.ml.entities._job.pipeline._attr_dict import has_attr_safe  # pylint: disable=protected-access
    ret = super().METHOD_NAME(obj, many=many)  # pylint: disable=no-member
    if has_attr_safe(obj, "early_available") and obj.early_available is not None and "early_available" not in ret:
        ret["early_available"] = obj.early_available
    return ret