class OasRails::Spec::PathItem

def fill_from(path, route_extractor: Extractors::RouteExtractor)
  route_extractor.host_routes_by_path(path).each do |oas_route|
    add_operation(oas_route.verb.downcase, Spec::Operation.new(@specification).fill_from(oas_route))
  end
  self
end