class RuboCop::Cop::Layout::MultilineOperationIndentation

def offending_range(node, lhs, rhs, given_style)
  return false unless begins_its_line?(rhs)
  return false if not_for_this_cop?(node)
  correct_column = if should_align?(node, rhs, given_style)
                     node.loc.column
                   else
                     indentation(lhs) + correct_indentation(node)
                   end
  @column_delta = correct_column - rhs.column
  rhs if @column_delta.nonzero?
end