class YARD::Serializers::FileSystemSerializer

def build_filename_map
  @name_map = {}
  YARD::Registry.all.each do |object|
    lpath = nil
    if object.parent && object.parent.type != :root
      lpath = object.parent.path + "::" + object.name.to_s.downcase
    else
      lpath = object.path.downcase
    end
    @name_map[lpath] ||= {}
    size = @name_map[lpath].size
    name = "#{object.name}#{size > 0 ? "_" * size : ""}"
    @name_map[lpath][object.name] = name
  end
end