class RuboCop::AST::NodePattern::Node::Union
def in_sequence_head
def in_sequence_head return unless children.any?(&:in_sequence_head) new_children = children.map do |child| next child unless (replace = child.in_sequence_head) if replace.size > 1 Subsequence.new(:subsequence, replace, loc: child.loc) else replace.first end end [with(children: new_children)] end