code: def _cim_qualifier(key, value):
      
  
      if key is None:
          raise ValueError("Qualifier name must not be None")
  
      if isinstance(value, CIMQualifier):
          if value.name.lower() != key.lower():
              raise ValueError(
                  _format("CIMQualifier.name must be dictionary key {0!A}, but "
                          "is {1!A}", key, value.name))
          qual = value
      else:
          # We no longer check for the common error to set CIM numeric values as
          # Python number types, because that is done in the CIMQualifier
          # init method.
          qual = CIMQualifier(key, value)
  
      return qual
docs: Return a CIMQualifier object, from dict item input (key+value), after
      performing some checks.
  
      If the input value is a CIMQualifier object, it is returned.
  
      Otherwise, a new CIMQualifier object is created from the input value, and
      returned.