# File lib/parse_tree_extensions.rb, line 13
  def to_sexp
    require 'parse_tree'
    require 'unified_ruby'
    parser = ParseTree.new(false)
    unifier = Unifier.new
    with_class_and_method_name do |klass, method|
      old_sexp = parser.parse_tree_for_method(klass, method)
      unifier.process(old_sexp)
    end
  end