"use strict"; /* * Copyright Elasticsearch B.V. and contributors * SPDX-License-Identifier: Apache-2.0 */ Object.defineProperty(exports, "__esModule", { value: true }); exports.events = void 0; const node_events_1 = require("node:events"); const errors_1 = require("./errors"); var events; (function (events) { events["RESPONSE"] = "response"; events["REQUEST"] = "request"; events["SNIFF"] = "sniff"; events["RESURRECT"] = "resurrect"; events["SERIALIZATION"] = "serialization"; events["DESERIALIZATION"] = "deserialization"; })(events || (exports.events = events = {})); class Diagnostic extends node_events_1.EventEmitter { on(event, listener) { assertSupportedEvent(event); super.on(event, listener); return this; } once(event, listener) { assertSupportedEvent(event); super.once(event, listener); return this; } off(event, listener) { assertSupportedEvent(event); super.off(event, listener); return this; } } exports.default = Diagnostic; function assertSupportedEvent(event) { if (!supportedEvents.includes(event)) { throw new errors_1.ConfigurationError(`The event '${event}' is not supported.`); } } // @ts-expect-error const supportedEvents = Object.keys(events).map(key => events[key]); //# sourceMappingURL=Diagnostic.js.map