class RuboCop::Cop::Style::MultilineOperationIndentation

def on_send(node)
  receiver, method_name, *_args = *node
  return unless receiver
  return if method_name == :[] # Don't check parameters inside [].
  lhs = left_hand_side(receiver)
  rhs = right_hand_side(node)
  range = offending_range(node, lhs, rhs, style)
  check(range, node, lhs, rhs)
end