class RuboCop::Cop::Style::ClassAndModuleChildren

def split_on_double_colon(corrector, node, padding)
  children_definition = node.children.first
  range = range_between(children_definition.loc.double_colon.begin_pos,
                        children_definition.loc.double_colon.end_pos)
  replacement = "\n#{padding}#{node.loc.keyword.source} "
  corrector.replace(range, replacement)
end