class RuboCop::Cop::Lint::DuplicateMethods

def found_sclass_method(node, name)
  singleton_ancestor = node.each_ancestor.find(&:sclass_type?)
  return unless singleton_ancestor
  singleton_receiver_node = singleton_ancestor.children[0]
  return unless singleton_receiver_node.send_type?
  found_method(node, "#{singleton_receiver_node.method_name}.#{name}")
end