export declare const UNKNOWN_SERVICE_NAME = "unknown";
export declare const BUFFER_MAX_SPANS = 2048;
export declare const MAX_EXPORT_BATCH_SIZE = 50;
export declare const BUFFER_TIMEOUT = 2000;
export declare const DEFAULT_USER_INTERACTION_ELEMENT_NAME_LIMIT = 20;
export declare const INSTRUMENTED_EVENT_NAMES: (keyof HTMLElementEventMap)[];
export declare const ROOT_SPAN_OPERATION = "root_span.operation";
export declare const ROOT_SPAN_HTTP_URL = "root_span.http.url";
export declare const XHR_IS_ROOT_SPAN = "xhr.is_root_span";
export declare const HTTP_ACTION_TYPE = "http.action_type";
export declare const DEFAULT_SERVICE_NAME = "default.service.name";