ULMS-3167 Refactored api routes, removed deprecated code

src/error.js

@@ -1,4 +1,30 @@
 /* eslint-disable max-classes-per-file, unicorn/prevent-abbreviations */
+export class ApiError extends Error {
+  constructor(message, options) {
+    super(message, options)
+
+    const { is_transient: isTransient } = options || {}
+
+    this.name = 'ApiError'
+    this.isTransient = isTransient
+  }
+
+  /**
+   * Factory method for creating error instance
+   * @param payload {{ kind?: string, is_transient?: boolean }}
+   * @returns {ApiError}
+   */
+  static fromPayload(payload) {
+    const { kind, is_transient: isTransient } = payload
+
+    return new ApiError(kind, { isTransient })
+  }
+
+  get kind() {
+    return this.message
+  }
+}
+
 export class MQTTClientError extends Error {
   constructor(...args) {
     super(...args)

src/index.js

@@ -1,8 +1,5 @@
 export { default as Backoff } from './backoff'
 export { default as Broker } from './broker'
-export { default as Conference } from './conference'
-export { default as Dispatcher } from './dispatcher'
-export { default as Event } from './event'
 export { default as FVS } from './fvs'
 export { default as FetchHttpClient } from './http-client'
 export { MQTTClient, ReconnectingMQTTClient, defaultOptions } from './mqtt'