Called after this command's argv is parsed to transform and store the option's value.
A name representing the values for this option that can be displayed to the user.
Information about this option for the help output.
Called after all of a command's parameters have been finalize
d to perform validation of the final value.
Optional set of strings to use when the user invokes shell autocomplete on a value for this option.
The name of the group, or null if this option should not be grouped in the help output.
Extra information about this option to pass to the help formatter.
If true, this option should not appear in help output.
The names that can be used to invoke this option.
The number of values that must be given to this option.
The description of this option, usually a single line.
The parser for this option's values.
Names that can be used for a secondary purpose, like disabling flag options.
Optional explicit key to use when looking this option up from a ValueSource