class_docstr: A container for all capture usages within FuncGraph.
code: def pop(self, key: Hashable, is_by_ref: bool = False) -> Any:
      if is_by_ref:
          return (
              self._by_ref_external.pop(key, None),
              self._by_ref_internal.pop(key, None),
              self._by_ref_tracetype.pop(key, None),
          )
      else:
          return (
              self._by_val_external.pop(key, None),
              self._by_val_internal.pop(key, None),
              self._by_val_tracetype.pop(key, None),
          )
  
imports: import collections
  import functools
  from typing import Any, Callable, Hashable, Mapping, Optional
  from tensorflow.core.function import trace_type
  from tensorflow.python import pywrap_tfe
  from tensorflow.python.framework import dtypes
  from tensorflow.python.types import core
  from tensorflow.python.util import object_identity
label_desc: Use image node_id 5 for calling the FunctionCaptures obj's underlying member method code with example usage: obj.pop(key, is_by_ref) and returns: self,  self,  self, self,  self,  self