class_docstr: Helper class to avoid storing overlapping spans.
class_docstr_tok: ["Helper","class","to","avoid","storing","overlapping","spans","."]
code: def __init__(self):
      self.ranges = set()
  
imports: from dataclasses import dataclass
  from functools import partial
  from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, Union, cast
  import numpy
  from thinc.api import Config, Model, Ops, Optimizer, get_current_ops, set_dropout_rate
  from thinc.types import Floats2d, Ints1d, Ints2d, Ragged
  from ..compat import Protocol, runtime_checkable
  from ..errors import Errors
  from ..language import Language
  from ..scorer import Scorer
  from ..tokens import Doc, Span, SpanGroup
  from ..training import Example, validate_examples
  from ..util import registry
  from ..vocab import Vocab
  from .trainable_pipe import TrainablePipe
label_desc: Use image node_id 1 to create a new _Intervals object  with example: obj = _Intervals()