BooleanHandler does the same and also supports methods.
Deprecated since 0.3.0.null, any words not in
trueWords is considered as false.Boolean (or boolean) field
or method.null, any words not in
trueWords is considered as false.Boolean (or boolean)
field.Byte (or byte) field or
method.true if the field or method (element)
with the given number of arguments (argCount) can be handled
by this handler.CmdOption
annotations.Enum of the expected type and applies it to a
field or a one-arg method.CmdOptionHandler for the given element, argument count and
requested handler type.Integer (or int) field or
method.Long (or long) field or
method.Map.String.String.CmdlineParser.usage(PrintStream) instead.