class_docstr: Dataclass containing information about a label assigned to a variant.
  
  Attributes:
    is_confident: bool. True if we could confidently assign a label to this
      variant, False otherwise.
    variant: nucleus.protos.Variant proto that we assigned a label for.
    class_status: string. One of the keys in classes_dict
code: def __init__(
      self,
      is_confident,
      variant,
      truth_variant,
      classes_list,
      info_field_name,
  ):
      self.info_field_name = info_field_name
      self.classes_dict = {
          k: v for v, k in enumerate(classes_list.split(","))
      }
      self.is_confident = is_confident
      self.variant = variant
      self.truth_variant = truth_variant
  
file_path: deepvariant/deepvariant/labeler/customized_classes_labeler.py
imports: from deepvariant.labeler import positional_labeler
  from deepvariant.labeler import variant_labeler
  from third_party.nucleus.util import struct_utils
label_desc: Use image node_id 1 to create a new CustomizedClassesVariantLabel object from inherited base classes: variant_labeler with example: obj = CustomizedClassesVariantLabel(is_confident, variant, truth_variant, classes_list, info_field_name)