export declare const HttpAttribute: {
    HTTP_HOST: string;
    HTTP_METHOD: string;
    HTTP_TARGET: string;
    HTTP_ROUTE: string;
    HTTP_URL: string;
    HTTP_STATUS_CODE: string;
    HTTP_STATUS_TEXT: string;
    HTTP_FLAVOR: string;
    HTTP_SERVER_NAME: string;
    HTTP_CLIENT_IP: string;
    HTTP_SCHEME: string;
    HTTP_RESPONSE_CONTENT_LENGTH: string;
    HTTP_RESPONSE_CONTENT_LENGTH_UNCOMPRESSED: string;
    HTTP_REQUEST_CONTENT_LENGTH: string;
    HTTP_REQUEST_CONTENT_LENGTH_UNCOMPRESSED: string;
    HTTP_ERROR_NAME: string;
    HTTP_ERROR_MESSAGE: string;
    HTTP_USER_AGENT: string;
};