class RuboCop::Cop::Sorbet::Refinement

def on_send(node)

def on_send(node)
  return unless node.receiver.nil?
  return unless node.first_argument&.const_type?
  if node.method?(:refine)
    return unless node.block_node
    return unless node.parent.parent.module_type?
  end
  add_offense(node)
end