code: def __call__(
      cls: type[_T],
      __value: Optional[Iterable] = None,
      __key: Optional[Union[Callable, Collection]] = None,
      /,
  ) -> _T:
      # DictTuple()
      if __value is None and __key is None:
          obj = cls.__new__(cls)
          obj.__init__()
          return obj
  
      # DictTuple(DictTuple(...))
      elif type(__value) is cls:
          return __value
  
      # DictTuple({"x": 123, "y": 456})
      elif isinstance(__value, Mapping) and __key is None:
          obj = cls.__new__(cls, __value.values())
          obj.__init__(__value.keys())
  
          return obj
  
      # DictTuple(EnhancedDictTuple(...))
      # EnhancedDictTuple(DictTuple(...))
      # where EnhancedDictTuple subclasses DictTuple
      elif hasattr(__value, "items") and callable(__value.items):
          return cls.__call__(__value.items())
  
      # DictTuple([("x", 123), ("y", 456)])
      elif isinstance(__value, Iterable) and __key is None:
          keys = OrderedDict()
          values = deque()
  
          for i, (k, v) in enumerate(__value):
              keys[k] = i
              values.append(v)
  
          obj = cls.__new__(cls, values)
          obj.__init__(keys)
  
          return obj
  
      # DictTuple([123, 456], ["x", "y"])
      elif isinstance(__value, Iterable) and isinstance(
          __key, Iterable
      ):
          keys = OrderedDict((k, i) for i, k in enumerate(__key))
  
          obj = cls.__new__(cls, __value)
          obj.__init__(keys)
  
          return obj
  
      # DictTuple(["abc", "xyz"], lambda x: x[0])
      # equivalent to DictTuple({"a": "abc", "x": "xyz"})
      elif isinstance(__value, Iterable) and isinstance(
          __key, Callable
      ):
          obj = cls.__new__(cls, __value)
          obj.__init__(__key)
  
          return obj
  
      raise NotImplementedError
  
imports: from collections import OrderedDict
  from collections import deque
  from collections.abc import Collection
  from collections.abc import Iterable
  from collections.abc import KeysView
  from collections.abc import Mapping
  from types import MappingProxyType
  from typing import Callable
  from typing import Generic
  from typing import Optional
  from typing import SupportsIndex
  from typing import TypeVar
  from typing import Union
  from typing import overload
  from typing_extensions import Self
label_desc: Use image node_id 6 for calling the _Meta obj's underlying member method code with example usage: obj.__call__() and returns: obj, __value, obj, cls, obj, obj, obj