/*
   * Property setting in Ruby
   *   set property of Instance by name and type
   * instance[:propname] = data    # set by name (symbol)
   * instance[:propname, data] = CMPI::uint16    # set by name (symbol)
   * instance["propname"] = data   # set by name (string)
   */
  CMPIStatus set(VALUE property, VALUE data, VALUE expected_type = Qnil)