class RuboCop::Cop::Layout::MultilineAssignmentLayout

def check_assignment(node, rhs)
  return unless rhs
  return unless supported_types.include?(rhs.type)
  return if rhs.loc.first_line == rhs.loc.last_line
  case style
  when :new_line
    check_new_line_offense(node, rhs)
  when :same_line
    check_same_line_offense(node, rhs)
  end
end