EncodingFilter Route Filter (defines FilterFunction).

NewOpenAPIService returns a new WebService that provides the API documentation of all services conform the OpenAPI documentation specifcation.

SwaggerObject is to add more information to the swagger object.

HandlerCache represents a lazy cache for generating a byte array It is used to lazily marshal OpenAPI v2/v3 and lazily generate the ETag.

OpenAPIService is the service responsible for serving OpenAPI spec.