class_docstr: Provides a dict-like collection for Dataset attribute types. Keys must
  be strings.
class_docstr_tok: ["Provides","a","dict-like","collection","for","Dataset","attribute","types",".","Keys","must","be","strings","."]
docstr: Returns a copy of this mapping as a builtin ``dict``, with all
  elements copied.
docstr_tok: ["Returns","a","copy","of","this","mapping","as","a","builtin","``","dict","``",",","with","all","elements","copied","."]
code: def copy(self) -> Dict[str, T]:
      """Returns a copy of this mapping as a builtin ``dict``, with all
      elements copied."""
      return self.copy_value()
  
imports: import typing
  from collections.abc import Mapping
  from typing import Dict, Generic, Union
  from pennylane.data.base.attribute import DatasetAttribute
  from pennylane.data.base.hdf5 import HDF5Any, HDF5Group
  from pennylane.data.base.mapper import MapperMixin
  from pennylane.data.base.typing_util import T
label_desc: Use image node_id 6 for calling the DatasetDict obj's underlying member method code with example usage: obj.copy() and returns: self