class Psych::Visitors::JSONTree

def self.create options = {}
  emitter = Psych::JSON::TreeBuilder.new
  class_loader = ClassLoader.new
  ss           = ScalarScanner.new class_loader
  new(emitter, ss, options)
end

def accept target
  if target.respond_to?(:encode_with)
    dump_coder target
  else
    send(@dispatch_cache[target.class], target)
  end
end