SyntaxSuggest::CodeSearch#expand_existing

# File tmp/rubies/ruby-4.0.0/lib/syntax_suggest/code_search.rb, line 112
def expand_existing
  block = frontier.pop
  return unless block

  record(block: block, name: "before-expand")

  block = @block_expand.call(block)
  push(block, name: "expand")
end