class_docstr: An immutable wrapper around dictionaries that implements the complete
  :py:class:`collections.Mapping` interface. It can be used as a drop-in
  replacement for dictionaries where immutability is desired.
class_docstr_tok: ["An","immutable","wrapper","around","dictionaries","that","implements","the","complete",":","py",":","class",":","`","collections.Mapping","`","interface",".","It","can","be","used","as","a","drop-in","replacement","for","dictionaries","where","immutability","is","desired","."]
code: def copy(self, **add_or_replace):
      return self.__class__(self, **add_or_replace)
  
file_path: datalad/datalad/support/collections.py
imports: from typing import Mapping
label_desc: Use image node_id 4 for calling the ReadOnlyDict obj's underlying member method code with example usage: obj.copy() and returns: self