class RuboCop::Cop::Style::InverseMethods

def on_send(node)
  return if part_of_ignored_node?(node)
  inverse_candidate?(node) do |_method_call, lhs, method, rhs|
    return unless inverse_methods.key?(method)
    return if possible_class_hierarchy_check?(lhs, rhs, method)
    return if negated?(node)
    add_offense(node,
                message: format(MSG, method: method,
                                     inverse: inverse_methods[method]))
  end
end