class_docstr: Wrapper around the standard 'getopt()' module that provides some
  handy extra functionality:
    * short and long options are tied together
    * options have help strings, and help text can be assembled
      from them
    * options set attributes of a passed-in object
    * boolean options can have "negative aliases" -- eg. if
      --quiet is the "negative alias" of --verbose, then "--quiet"
      on the command line sets 'verbose' to false
docstr: Set the negative aliases for this option parser.
  'negative_alias' should be a dictionary mapping option names to
  option names, both the key and value must already be defined
  in the option table.
docstr_tok: ["Set","the","negative","aliases","for","this","option","parser",".","'negative_alias","'","should","be","a","dictionary","mapping","option","names","to","option","names",",","both","the","key","and","value","must","already","be","defined","in","the","option","table","."]
code: def set_negative_aliases(self, negative_alias):
      """Set the negative aliases for this option parser.
      'negative_alias' should be a dictionary mapping option names to
      option names, both the key and value must already be defined
      in the option table."""
      self._check_alias_dict(negative_alias, "negative alias")
      self.negative_alias = negative_alias
  
imports: import sys, string, re
  import getopt
  from distutils.errors import *
label_desc: Use image node_id 9 for calling the FancyGetopt obj's underlying member method code with example usage: obj.set_negative_aliases(negative_alias) without return types