diff --git a/lib/gui/tool-runner/index.ts b/lib/gui/tool-runner/index.ts
index 2971ef524..d9228d5ed 100644
--- a/lib/gui/tool-runner/index.ts
+++ b/lib/gui/tool-runner/index.ts
@@ -1,27 +1,39 @@
-'use strict';
-
-const _ = require('lodash');
-const fs = require('fs-extra');
-const path = require('path');
-const chalk = require('chalk');
-const Promise = require('bluebird');
-const looksSame = require('looks-same');
-
-const Runner = require('./runner');
-const subscribeOnToolEvents = require('./report-subscriber');
-const {GuiReportBuilder} = require('../../report-builder/gui');
-const EventSource = require('../event-source');
-const {logger} = require('../../common-utils');
-const reporterHelper = require('../../reporter-helpers');
-const {UPDATED, SKIPPED, IDLE} = require('../../constants/test-statuses');
-const {DATABASE_URLS_JSON_NAME, LOCAL_DATABASE_NAME} = require('../../constants/database');
-const {getShortMD5} = require('../../common-utils');
-const {formatId, mkFullTitle, mergeDatabasesForReuse, filterByEqualDiffSizes} = require('./utils');
-const {getTestsTreeFromDatabase} = require('../../db-utils/server');
-const {formatTestResult} = require('../../server-utils');
-const {ToolName} = require('../../constants');
-
-module.exports = class ToolRunner {
+import _ from 'lodash';
+import fs from 'fs-extra';
+import path from 'path';
+import chalk from 'chalk';
+import Promise from 'bluebird';
+import looksSame from 'looks-same';
+import type Hermione from 'hermione';
+
+import Runner from './runner';
+import subscribeOnToolEvents from './report-subscriber';
+import {GuiReportBuilder} from '../../report-builder/gui';
+import EventSource from '../event-source';
+import {logger} from '../../common-utils';
+import reporterHelper from '../../reporter-helpers';
+import {UPDATED, SKIPPED, IDLE} from '../../constants/test-statuses';
+import {DATABASE_URLS_JSON_NAME, LOCAL_DATABASE_NAME} from '../../constants/database';
+import {getShortMD5} from '../../common-utils';
+import {formatId, mkFullTitle, mergeDatabasesForReuse, filterByEqualDiffSizes} from './utils';
+import {getTestsTreeFromDatabase} from '../../db-utils/server';
+import {formatTestResult} from '../../server-utils';
+import {ToolName} from '../../constants';
+import {HtmlReporter} from '../../plugin-api';
+
+export class ToolRunner {
+    private _testFiles: string[];
+    private _hermione: Hermione & {htmlReporter: HtmlReporter};
+    private _tree: any;
+    private _collection: any;
+    private _globalOpts: any;
+    private _guiOpts: any;
+    private _reportPath: string;
+    private _pluginConfig: any;
+    private _eventSource: typeof EventSource;
+    private _reportBuilder: GuiReportBuilder;
+    private _tests: any;
+
     static create(paths, hermione, configs) {
         return new this(paths, hermione, configs);
     }
@@ -300,4 +312,4 @@ module.exports = class ToolRunner {
     _resolveImgPath(imgPath) {
         return path.resolve(process.cwd(), this._pluginConfig.path, imgPath);
     }
-};
+}
diff --git a/package-lock.json b/package-lock.json
index 18872bfca..2146eead6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "html-reporter",
-      "version": "9.11.6",
+      "version": "9.15.0",
       "license": "MIT",
       "workspaces": [
         "test/func/fixtures/*",
@@ -54,6 +54,7 @@
         "@playwright/test": "^1.37.1",
         "@swc/core": "^1.3.64",
         "@types/better-sqlite3": "^7.6.4",
+        "@types/bluebird": "^3.5.3",
         "@types/chai": "^4.3.5",
         "@types/debug": "^4.1.8",
         "@types/enzyme": "^3.10.13",
@@ -4343,6 +4344,12 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/bluebird": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.3.tgz",
+      "integrity": "sha512-dpJ3I8LGkokLWK5mRJB48d/Y5n5J222dPqJV//xx2g1dqB0ISjWmn0hjw+ylfTNMpYopDJ3NUmFfQKcV8365bA==",
+      "dev": true
+    },
     "node_modules/@types/cacheable-request": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.3.tgz",
@@ -38116,6 +38123,12 @@
         "@types/node": "*"
       }
     },
+    "@types/bluebird": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.3.tgz",
+      "integrity": "sha512-dpJ3I8LGkokLWK5mRJB48d/Y5n5J222dPqJV//xx2g1dqB0ISjWmn0hjw+ylfTNMpYopDJ3NUmFfQKcV8365bA==",
+      "dev": true
+    },
     "@types/cacheable-request": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.3.tgz",
diff --git a/package.json b/package.json
index c2d9574e2..8d76323e9 100644
--- a/package.json
+++ b/package.json
@@ -101,6 +101,7 @@
     "@playwright/test": "^1.37.1",
     "@swc/core": "^1.3.64",
     "@types/better-sqlite3": "^7.6.4",
+    "@types/bluebird": "^3.5.3",
     "@types/chai": "^4.3.5",
     "@types/debug": "^4.1.8",
     "@types/enzyme": "^3.10.13",