class ActionView::FileSystemResolver

def build_unbound_template(template)
  parsed = @path_parser.parse(template.from(@path.size + 1))
  details = parsed.details
  source = source_for_template(template)
  UnboundTemplate.new(
    source,
    template,
    details: details,
    virtual_path: parsed.path.virtual,
  )
end