This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
class_options_help(shell, groups = {})
public
Overwrite class options help to allow invoked
generators options to be shown recursively when invoking a generator.
# File lib/bundler/vendor/thor/lib/thor/group.rb, line 161
def class_options_help(shell, groups = {}) #:nodoc:
get_options_from_invocations(groups, class_options) do |klass|
klass.send(:get_options_from_invocations, groups, class_options)
end
super(shell, groups)
end