diff --git a/.utils/declarations/index.d.ts b/.utils/declarations/index.d.ts
new file mode 100644
index 00000000..bbbdcd3c
--- /dev/null
+++ b/.utils/declarations/index.d.ts
@@ -0,0 +1,126 @@
+type Page = import('puppeteer').Page;
+type Frame = import('puppeteer').Frame;
+type ElementHandle<T extends Node> = import('puppeteer').ElementHandle<T>;
+
+type CommitsData = import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/commits']['response']['data'];
+type ReleasesData = import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/releases']['response']['data']
+type PullsData = import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/pulls']['response']['data'];
+type PullCommitsData = import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/pulls/{pull_number}/commits']['response']['data'];
+
+type AndroidStudioStableArchiveItemKind = 'exe' | 'zip' | 'tar' | 'other';
+
+type FindTargetRowsFilter = string | RegExp | ((s: string) => boolean);
+
+type TableDataStructureItemName = string;
+type TableDataStructureItem = RegExp | ((s: string) => boolean | string);
+type TableDataStructureItemForPageEvaluate = string | RegExp | ((s: string) => boolean | string);
+
+interface AndroidStudioArchiveItem {
+    title: string;
+    date: string;
+    version: string | null;
+    links: Array<{
+        text: string;
+        href: string;
+    }>;
+    checksums: { [filename: string]: string };
+}
+
+interface AndroidStudioStableArchiveItem {
+    platform: string;
+    filename: string;
+    size: string;
+    sha256: string;
+    url: string | null;
+    kind: AndroidStudioStableArchiveItemKind;
+}
+
+interface FindTargetRowsOptionsBase {
+    /** @default 'table' */
+    tableSelector?: 'table' | string;
+    tableFilter?: { [selector: string]: FindTargetRowsFilter | FindTargetRowsFilter[] };
+    /** @default 'tbody tr' */
+    tableRowSelector?: 'tbody tr' | string;
+    /** @default 'td' */
+    tableDataSelector?: 'td' | string;
+    /** @default [] */
+    tableDataStructure?: Array<{ [dataItemName: TableDataStructureItemName]: any } | TableDataStructureItemName>;
+}
+
+interface FindTargetRowsOptions extends FindTargetRowsOptionsBase {
+    /** @default [] */
+    tableDataStructure?: Array<{ [dataItemName: TableDataStructureItemName]: TableDataStructureItem } | TableDataStructureItemName>;
+}
+
+interface FindTargetRowsOptionsForPageEvaluate extends FindTargetRowsOptionsBase {
+    /** @default [] */
+    tableDataStructure?: Array<{ [dataItemName: TableDataStructureItemName]: TableDataStructureItemForPageEvaluate } | TableDataStructureItemName>;
+}
+
+interface PuppeteerOptions {
+    url: string;
+    /** @default 120000 */
+    pageGoToTimeout?: 120000 | number;
+    /** @default 30000 */
+    findTargetRowsTimeout?: 30000 | number;
+}
+
+interface KspRelease {
+    version: string;
+    name: string;
+    publishedAt: string;
+}
+
+interface UserProfile {
+    login: string;
+    name: string | null;
+}
+
+interface StatisticsEntry {
+    login: string;
+    name: string | null;
+    htmlUrl: string;
+    totalCommitsInMergedPRs: number;
+    latestCommitAt: string | null;
+}
+
+interface DebugRecord {
+    sha: string;
+    belongs: boolean;
+    author_login: string | null;
+    committer_login: string | null;
+    author_name: string | null;
+    author_email: string | null;
+    time: string | null;
+}
+
+interface GradleRelease {
+    versionName: string;
+    releaseDate: string;
+    link: {
+        bin: string;
+        all: string;
+        checksums: string;
+    }
+}
+
+interface GradleReleaseConfig {
+    majorVersionLimit?: number | string | null;
+    format?: 'bin' | 'all';
+}
+
+interface ScriptItem {
+    name: string;
+    abs: string;
+}
+
+interface AnchoredBlockUpdateOption {
+    type: 'map' | 'list' | 'custom';
+    anchorTag: string;
+    mapName?: string;
+    listName?: string;
+    lines: string[];
+    linesIndent?: number;
+    updatedLabel?: string;
+    replacer?: (srcInBlock: string, options: { toUpdatedStamp?: (date?: Date) => string }) => { newBlock: string, changed: boolean };
+}
diff --git a/.utils/fetch-and-parse-android-studio-archives.mjs b/.utils/fetch-and-parse-android-studio-archives.mjs
index 032cd580..194bcaef 100644
--- a/.utils/fetch-and-parse-android-studio-archives.mjs
+++ b/.utils/fetch-and-parse-android-studio-archives.mjs
@@ -6,21 +6,6 @@ import { fileURLToPath } from 'node:url';
 import { readPropertiesSync } from './utils/properties.mjs';
 import { sleep } from './utils/async.mjs';
 
-/** @typedef {import('puppeteer').Page} Page */
-/** @typedef {import('puppeteer').Frame} Frame */
-/**
- * @template {Node} T
- * @typedef {import('puppeteer').ElementHandle<T>} ElementHandle
- */
-/**
- * @typedef {Object} ArchiveItem
- * @property {string} title
- * @property {string} date
- * @property {string | null} version
- * @property {{ text: string, href: string }[]} links
- * @property {{ [filename: string]: string }} checksums
- */
-
 const URL = 'https://developer.android.com/studio/archive?hl=en';
 const SELECTOR_PRIMARY_BUTTON = 'button.button-primary';
 const SELECTOR_DEVSITE_EXPANDABLE = 'devsite-expandable';
@@ -100,7 +85,7 @@ async function waitForFrameWithSelector(page, selector, timeoutMs = 30000) {
 }
 
 /**
- * @returns {Promise<ArchiveItem[]>}
+ * @returns {Promise<AndroidStudioArchiveItem[]>}
  */
 export async function getAndroidStudioArchives() {
     const browser = await puppeteer.launch({
@@ -156,7 +141,7 @@ export async function getAndroidStudioArchives() {
         throw new Error('Failed to find content frame');
     }
 
-    /** @type {ArchiveItem[]} */
+    /** @type {AndroidStudioArchiveItem[]} */
     const archives = await contentFrame.$$eval(SELECTOR_DEVSITE_EXPANDABLE, nodes => {
         const pickText = (/** @type {Node | null} */ el) => String(el?.textContent ?? '').trim();
         return nodes.map(n => {
diff --git a/.utils/fetch-and-parse-android-studio-latest-stable-version.mjs b/.utils/fetch-and-parse-android-studio-latest-stable-version.mjs
index 85b945ff..e03d2cfd 100644
--- a/.utils/fetch-and-parse-android-studio-latest-stable-version.mjs
+++ b/.utils/fetch-and-parse-android-studio-latest-stable-version.mjs
@@ -1,16 +1,5 @@
 // fetch-and-parse-android-studio-latest-stable-version.mjs
 
-/** @typedef {'exe' | 'zip' | 'tar' | 'other'} StableArchiveItemKind */
-/**
- * @typedef {Object} StableArchiveItem
- * @property {string} platform
- * @property {string} filename
- * @property {string} size
- * @property {string} sha256
- * @property {string | null} url
- * @property {StableArchiveItemKind} kind
- */
-
 import * as cheerio from 'cheerio';
 import { bytes2GiB } from './utils/format.mjs';
 import { fileURLToPath } from 'node:url';
@@ -43,6 +32,7 @@ function buildDownloadUrlFromFilename(filename, kind) {
     }
     return `https://redirector.gvt1.com/edgedl/android/studio/${urlType}/${version}/${filename}`;
 }
+
 /**
  * @param {string} url
  * @returns {Promise<string>}
@@ -60,7 +50,7 @@ async function fetchHtml(url) {
 
 /**
  * @param {string} html
- * @returns {Promise<StableArchiveItem[]>}
+ * @returns {Promise<AndroidStudioStableArchiveItem[]>}
  */
 async function parseItemsFromHtml(html) {
     const $ = cheerio.load(html);
@@ -106,7 +96,7 @@ async function parseItemsFromHtml(html) {
  * 返回形如: [ { platform, filename, size, sha256, url, kind: 'exe'|'zip'|'tar' } ]
  *
  * @param {string} [sourceUrl=URL]
- * @returns {Promise<StableArchiveItem[]>}
+ * @returns {Promise<AndroidStudioStableArchiveItem[]>}
  */
 export async function getLatestStableArchives(sourceUrl = URL) {
     const html = await fetchHtml(sourceUrl);
diff --git a/.utils/fetch-and-parse-autojs6-merged-pr-commits-statistics.mjs b/.utils/fetch-and-parse-autojs6-merged-pr-commits-statistics.mjs
index f3868a12..95c96daf 100644
--- a/.utils/fetch-and-parse-autojs6-merged-pr-commits-statistics.mjs
+++ b/.utils/fetch-and-parse-autojs6-merged-pr-commits-statistics.mjs
@@ -1,31 +1,5 @@
 // fetch-and-parse-autojs6-merged-pr-commits-statistics.mjs
 
-/** @typedef {import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/pulls']['response']['data']} PullsData */
-/** @typedef {import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/pulls/{pull_number}/commits']['response']['data']} PullCommitsData */
-/**
- * @typedef {Object} UserProfile
- * @property {string} login
- * @property {string | null} name
- */
-/**
- * @typedef {Object} StatisticsEntry
- * @property {string} login
- * @property {string | null} name
- * @property {string} htmlUrl
- * @property {number} totalCommitsInMergedPRs
- * @property {string | null} latestCommitAt
- */
-/**
- * @typedef {Object} DebugRecord
- * @property {string} sha
- * @property {boolean} belongs
- * @property {string | null} author_login
- * @property {string | null} committer_login
- * @property {string | null} author_name
- * @property {string | null} author_email
- * @property {string | null} time
- */
-
 import * as dotenv from 'dotenv';
 import { fileURLToPath } from 'node:url';
 import { httpFetch } from './utils/fetch.mjs';
diff --git a/.utils/fetch-and-parse-gradle-releases.mjs b/.utils/fetch-and-parse-gradle-releases.mjs
index 0f0ef295..19ab56fd 100644
--- a/.utils/fetch-and-parse-gradle-releases.mjs
+++ b/.utils/fetch-and-parse-gradle-releases.mjs
@@ -1,15 +1,5 @@
 // fetch-and-parse-gradle-releases.mjs
 
-/**
- * @typedef {Object} GradleRelease
- * @property {string} versionName
- * @property {string} releaseDate
- * @property {Object} link
- * @property {string} link.bin
- * @property {string} link.all
- * @property {string} link.checksums
- */
-
 import * as cheerio from 'cheerio';
 import { fileURLToPath } from 'node:url';
 
diff --git a/.utils/run-scrapers.mjs b/.utils/run-scrapers.mjs
index 15b04271..b1db374f 100644
--- a/.utils/run-scrapers.mjs
+++ b/.utils/run-scrapers.mjs
@@ -1,11 +1,5 @@
 // run-scrapers.mjs
 
-/**
- * @typedef {Object} ScriptItem
- * @property {string} name
- * @property {string} abs
- */
-
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import * as readline from 'node:readline';
diff --git a/.utils/scrape-and-inject-android-studio-codename_maps.mjs b/.utils/scrape-and-inject-android-studio-codename_maps.mjs
index 6d60f0a3..d39bedc6 100644
--- a/.utils/scrape-and-inject-android-studio-codename_maps.mjs
+++ b/.utils/scrape-and-inject-android-studio-codename_maps.mjs
@@ -1,14 +1,5 @@
 // scrape-and-inject-android-studio-codename_maps.mjs
 
-/** @typedef {import('puppeteer').Page} Page */
-/** @typedef {import('puppeteer').Frame} Frame */
-/** @typedef {import('./fetch-and-parse-android-studio-latest-stable-version.mjs').StableArchiveItem} Row */
-/** @typedef {import('./fetch-and-parse-android-studio-archives.mjs').ArchiveItem} ArchiveItem */
-/**
- * @template {Node} T
- * @typedef {import('puppeteer').ElementHandle<T>} ElementHandle
- */
-
 import * as fsp from 'node:fs/promises';
 import * as path from 'node:path';
 import { batchUpdateAnchoredBlocks } from './utils/anchors.mjs';
@@ -47,7 +38,7 @@ const manualCodenameOverrides = {};
  * complete and update common.json.<br>
  * zh-CN: 用 "最新稳定版" 的校验和/文件名, 在归档中定位条目, 补全并更新 common.json.
  *
- * @param {ArchiveItem[]} archives
+ * @param {AndroidStudioArchiveItem[]} archives
  * @returns {Promise<void>}
  */
 async function updateLatestArchiveInfo(archives) {
@@ -63,9 +54,9 @@ async function updateLatestArchiveInfo(archives) {
      * Search the archive: first try to match by sha256, then by filename.<br>
      * zh-CN: 在归档中查找: 优先用 sha256 命中, 其次用文件名.
      *
-     * @param {ArchiveItem[]} rows
-     * @param {Row} target
-     * @returns {ArchiveItem | null}
+     * @param {AndroidStudioArchiveItem[]} rows
+     * @param {AndroidStudioStableArchiveItem} target
+     * @returns {AndroidStudioArchiveItem | null}
      */
     const matchArchive = (rows, target) => {
         for (const arc of rows) {
@@ -159,7 +150,7 @@ async function updateLatestArchiveInfo(archives) {
  * Summarize codename-to-version mappings and codename first release dates.<br>
  * zh-CN: 汇总代号版本映射以及代号的首发日期.
  *
- * @param {ArchiveItem[]} archives
+ * @param {AndroidStudioArchiveItem[]} archives
  */
 function getCodenameMapLinesInfo(archives) {
 
diff --git a/.utils/scrape-and-inject-gradle-kotlin-compatibility-list.mjs b/.utils/scrape-and-inject-gradle-kotlin-compatibility-list.mjs
index a980a75d..1c720541 100644
--- a/.utils/scrape-and-inject-gradle-kotlin-compatibility-list.mjs
+++ b/.utils/scrape-and-inject-gradle-kotlin-compatibility-list.mjs
@@ -1,7 +1,5 @@
 // scrape-and-inject-gradle-kotlin-compatibility-list.mjs
 
-/** @typedef {import('puppeteer').Page} Page */
-
 import { findTargetRows } from './utils/puppeteer-helpers.mjs';
 import { compareVersionStrings } from './utils/versioning.mjs';
 import { getMinSupportedGradleVersion } from './utils/properties.mjs';
diff --git a/.utils/scrape-and-inject-ksp-releases.mjs b/.utils/scrape-and-inject-ksp-releases.mjs
index ad5cfff0..f1406648 100644
--- a/.utils/scrape-and-inject-ksp-releases.mjs
+++ b/.utils/scrape-and-inject-ksp-releases.mjs
@@ -1,13 +1,5 @@
 // scrape-and-inject-ksp-releases.mjs
 
-/** @typedef {import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/releases']['response']['data']} ReleasesData */
-/**
- * @typedef {Object} KspRelease
- * @property {string} version
- * @property {string} name
- * @property {string} publishedAt
- */
-
 import * as fsp from 'node:fs/promises';
 import { httpFetch } from './utils/fetch.mjs';
 import { readProperties } from './utils/properties.mjs';
diff --git a/.utils/scrape-and-inject-latest-gradle-wrapper.mjs b/.utils/scrape-and-inject-latest-gradle-wrapper.mjs
index 4a606851..2a200ed8 100644
--- a/.utils/scrape-and-inject-latest-gradle-wrapper.mjs
+++ b/.utils/scrape-and-inject-latest-gradle-wrapper.mjs
@@ -1,12 +1,5 @@
 // scrape-and-inject-latest-gradle-wrapper.mjs
 
-/** @typedef {import('./fetch-and-parse-gradle-releases.mjs').GradleRelease} GradleRelease */
-/**
- * @typedef {Object} GradleReleaseConfig
- * @property {number | string | null} [majorVersionLimit=null]
- * @property {'bin' | 'all'} [format='bin']
- */
-
 import { compareVersionStrings } from './utils/versioning.mjs';
 import { fetchGradleReleases } from './fetch-and-parse-gradle-releases.mjs';
 import { readPropertiesSync, writePropertiesSync } from './utils/properties.mjs';
diff --git a/.utils/utils/anchors.mjs b/.utils/utils/anchors.mjs
index 47eb753e..3588fabb 100644
--- a/.utils/utils/anchors.mjs
+++ b/.utils/utils/anchors.mjs
@@ -1,17 +1,5 @@
 // utils/anchors.mjs
 
-/**
- * @typedef {Object} AnchoredBlockUpdateOption
- * @property {'map' | 'list' | 'custom'} type
- * @property {string} anchorTag
- * @property {string} [mapName]
- * @property {string} [listName]
- * @property {string[]} lines
- * @property {number} [linesIndent=4]
- * @property {string} [updatedLabel]
- * @property {(srcInBlock: string, options: { toUpdatedStamp?: (date?: Date) => string }) => { newBlock: string, changed: boolean }} [replacer]
- */
-
 import * as fsp from 'node:fs/promises';
 import * as path from 'node:path';
 import { escapeRegExp } from './format.mjs';
diff --git a/.utils/utils/fetch.mjs b/.utils/utils/fetch.mjs
index 4a80d2b4..b85337ba 100644
--- a/.utils/utils/fetch.mjs
+++ b/.utils/utils/fetch.mjs
@@ -1,7 +1,5 @@
 // utils/fetch.mjs
 
-/** @typedef {import('@octokit/types').Endpoints['GET /repos/{owner}/{repo}/commits']['response']['data']} CommitsData */
-
 import * as dotenv from 'dotenv';
 import * as https from 'https';
 import nodeFetch from 'node-fetch';
diff --git a/.utils/utils/puppeteer-helpers.mjs b/.utils/utils/puppeteer-helpers.mjs
index e98544c3..b333f06d 100644
--- a/.utils/utils/puppeteer-helpers.mjs
+++ b/.utils/utils/puppeteer-helpers.mjs
@@ -1,33 +1,5 @@
 // utils/puppeteer-helpers.mjs
 
-/** @typedef {import('puppeteer').Page} Page */
-/** @typedef {string | RegExp | ((s: string) => boolean)} FindTargetRowsFilter */
-/** @typedef {string} TableDataStructureItemName */
-/** @typedef {RegExp | ((s: string) => boolean | string)} TableDataStructureItem */
-/** @typedef {string | RegExp | ((s: string) => boolean | string)} TableDataStructureItemForPageEvaluate */
-/**
- * @typedef {object} FindTargetRowsOptions
- * @property {string} [tableSelector='table']
- * @property {{ [selector: string]: FindTargetRowsFilter | FindTargetRowsFilter[] }}[tableFilter={}]
- * @property {string} [tableRowSelector='tbody tr']
- * @property {string} [tableDataSelector='td']
- * @property {Array<{ [dataItemName: TableDataStructureItemName]: TableDataStructureItem } | TableDataStructureItemName>} [tableDataStructure=[]]
- */
-/**
- * @typedef {object} FindTargetRowsOptionsForPageEvaluate
- * @property {string} [tableSelector='table']
- * @property {{ [selector: string]: FindTargetRowsFilter | FindTargetRowsFilter[] }}[tableFilter={}]
- * @property {string} [tableRowSelector='tbody tr']
- * @property {string} [tableDataSelector='td']
- * @property {Array<{ [dataItemName: TableDataStructureItemName]: TableDataStructureItemForPageEvaluate } | TableDataStructureItemName>} [tableDataStructure=[]]
- */
-/**
- * @typedef {object} PuppeteerOptions
- * @property {string} url
- * @property {number} [pageGoToTimeout=120000]
- * @property {number} [findTargetRowsTimeout=30000]
- */
-
 import puppeteer from 'puppeteer';
 import { sleep } from './async.mjs';