Creates an argument from a formatted string.
Format must be enclosed in <> (required) or [] (optional). Name may end with ... to indicate variadic argument.
Formatted string.
Description of the argument.
Default value, or null.
AssertionError if format is not enclosed in <> or [].
Creates an argument from a formatted string.
Format must be enclosed in <> (required) or [] (optional). Name may end with ... to indicate variadic argument.