class RuboCop::Cop::Style::MapToHash

def on_send(node)
  return unless (to_h_node, map_node = map_to_h(node))
  message = format(MSG, method: map_node.loc.selector.source, dot: to_h_node.loc.dot.source)
  add_offense(map_node.loc.selector, message: message) do |corrector|
    # If the `to_h` call already has a block, do not autocorrect.
    next if to_h_node.block_literal?
    autocorrect(corrector, to_h_node, map_node)
  end
end