diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7f3769bc0..d5300e4a6 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,6 @@
 {
 	"eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"],
-	"eslint.experimental.useFlatConfig": true,
+	"eslint.useFlatConfig": true,
 	"eslint.workingDirectories": [
 		{ "directory": "${workspaceFolder}" },
 		{ "pattern": "./apps/*/" },
diff --git a/packages/discord.js/.eslintignore b/packages/discord.js/.eslintignore
new file mode 100644
index 000000000..c66ae6b38
--- /dev/null
+++ b/packages/discord.js/.eslintignore
@@ -0,0 +1 @@
+src/**/*.d.ts
diff --git a/packages/discord.js/.eslintrc.json b/packages/discord.js/.eslintrc.json
index ecfad0981..a06c2569b 100644
--- a/packages/discord.js/.eslintrc.json
+++ b/packages/discord.js/.eslintrc.json
@@ -248,6 +248,13 @@
           }
         ]
       }
+    },
+    {
+      "files": ["src/client/actions/*.js", "src/client/websocket/handlers/*.js"],
+      "rules": {
+        "max-len": "warn",
+        "valid-jsdoc": "off"
+      }
     }
   ]
 }
diff --git a/packages/discord.js/package.json b/packages/discord.js/package.json
index f010f410c..9fa89d286 100644
--- a/packages/discord.js/package.json
+++ b/packages/discord.js/package.json
@@ -5,8 +5,8 @@
   "description": "A powerful library for interacting with the Discord API",
   "scripts": {
     "test": "pnpm run docs:test && pnpm run test:typescript",
-    "test:typescript": "tsc --noEmit && tsd",
-    "lint": "prettier --check . && tslint typings/index.d.ts && cross-env ESLINT_USE_FLAT_CONFIG=false eslint --format=pretty src typings",
+    "test:typescript": "tsc && tsd",
+    "lint": "prettier --check . && tslint typings/index.d.ts && cross-env ESLINT_USE_FLAT_CONFIG=false eslint --format=pretty src",
     "format": "prettier --write . && cross-env ESLINT_USE_FLAT_CONFIG=false eslint --fix --format=pretty src",
     "fmt": "pnpm run format",
     "docs": "docgen -i \"./src/*.js\" \"./src/**/*.js\" -c ./docs/index.json -r ../../ -o ./docs/docs.json && pnpm run docs:new",
@@ -14,7 +14,9 @@
     "docs:new": "api-extractor run --local --minify && generate-split-documentation",
     "prepack": "pnpm run lint && pnpm run test && node ./scripts/esmDts.mjs",
     "changelog": "git cliff --prepend ./CHANGELOG.md -u -c ./cliff.toml -r ../../ --include-path 'packages/discord.js/*'",
-    "release": "cliff-jumper"
+    "release": "cliff-jumper",
+    "typecheck": "echo \"This is only used for vague type checking\" && tsc -p tsconfig.typechecking.json",
+    "scripts:generate-requires": "node scripts/generateRequires.mjs && pnpm run format"
   },
   "main": "./src/index.js",
   "types": "./typings/index.d.ts",
diff --git a/packages/discord.js/scripts/generateRequires.mjs b/packages/discord.js/scripts/generateRequires.mjs
index b6e28db8a..52897016e 100644
--- a/packages/discord.js/scripts/generateRequires.mjs
+++ b/packages/discord.js/scripts/generateRequires.mjs
@@ -21,34 +21,159 @@ async function writeWebsocketHandlerImports() {
 async function writeClientActionImports() {
   const lines = [
     "'use strict';\n",
+    `/**
+ * @import Client from '../Client';
+ */
+`,
     'class ActionsManager {',
     '  // These symbols represent fully built data that we inject at times when calling actions manually.',
     '  // Action#getUser, for example, will return the injected data (which is assumed to be a built structure)',
     '  // instead of trying to make it from provided data',
     "  injectedUser = Symbol('djs.actions.injectedUser');",
     "  injectedChannel = Symbol('djs.actions.injectedChannel');",
-    "  injectedMessage = Symbol('djs.actions.injectedMessage');\n",
+    "  injectedMessage = Symbol('djs.actions.injectedMessage');",
+    '',
+    `  /**
+   * @param {Client} client The client
+   * @internal
+   * @hideconstructor
+   */`,
     '  constructor(client) {',
-    '    this.client = client;\n',
+    '    this.client = client;',
+    '',
+  ];
+
+  const dtsLines = [
+    `import Action from './Action';
+import Client from '../Client';
+import { Guild } from '../../structures/Guild';
+import { BaseChannel } from '../../structures/BaseChannel';
+import WebSocketShard from '../websocket/WebSocketShard';
+import { Message } from '../../structures/Message';
+
+declare class ActionsManager {
+  injectedUser: symbol;
+  injectedChannel: symbol;
+  injectedMessage: symbol;
+  client: Client;
+
+  constructor(client: Client);
+
+  register(action: typeof Action): void;
+
+  // Autogenerated start`,
   ];
 
   const actionsDirectory = new URL('../src/client/actions', import.meta.url);
   for (const file of (await readdir(actionsDirectory)).sort()) {
-    if (file === 'Action.js' || file === 'ActionsManager.js') continue;
+    if (file === 'Action.js' || file === 'ActionsManager.js' || file === 'ActionsManager.d.ts') continue;
 
-    lines.push(`    this.register(require('./${file.slice(0, -3)}'));`);
+    const fileName = file.slice(0, -3);
+
+    lines.push(`    this.register(require('./${fileName}'));`);
+
+    // d.ts uniqueness
+    switch (fileName) {
+      case 'GuildChannelsPositionUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[{ guild_id: string; channels: { id: string; position: number }[] }], { guild: Guild }>;`,
+        );
+        break;
+      }
+      case 'GuildRolesPositionUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[{ guild_id: string; roles: { id: string; position: number }[] }], { guild: Guild }>;`,
+        );
+        break;
+      }
+      case 'GuildEmojiCreate': {
+        dtsLines.push(`  ${fileName}: Action<[guild: Guild, emoji: import('discord-api-types/v10').APIEmoji]>;`);
+        break;
+      }
+      case 'GuildEmojiDelete': {
+        dtsLines.push(`  ${fileName}: Action<[emoji: import('discord-api-types/v10').APIEmoji]>;`);
+        break;
+      }
+      case 'GuildEmojiUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[oldEmoji: import('discord-api-types/v10').APIEmoji, newEmoji: import('discord-api-types/v10').APIEmoji]>;`,
+        );
+        break;
+      }
+      case 'GuildStickerCreate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[guild: Guild, sticker: import('discord-api-types/v10').APISticker], { sticker: import('discord-api-types/v10').APISticker }>;`,
+        );
+
+        break;
+      }
+      case 'GuildStickerDelete': {
+        dtsLines.push(`  ${fileName}: Action<[sticker: import('discord-api-types/v10').APISticker]>;`);
+        break;
+      }
+      case 'GuildStickerUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[oldSticker: import('discord-api-types/v10').APISticker, newSticker: import('discord-api-types/v10').APISticker]>;`,
+        );
+        break;
+      }
+      case 'MessagePollVoteAdd':
+      case 'MessagePollVoteRemove': {
+        // TODO(vladfrangu): fix the missing type aliases in discord-api-types (GatewayMessagePollVoteAddDispatchData/GatewayMessagePollVoteRemoveDispatchData)
+        dtsLines.push(`  ${fileName}: Action<[import('discord-api-types/v10').GatewayMessagePollVoteDispatchData]>;`);
+        break;
+      }
+      case 'ChannelUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[import('discord-api-types/v10').GatewayChannelUpdateDispatchData], { old?: BaseChannel; updated?: BaseChannel; }>;`,
+        );
+        break;
+      }
+      case 'GuildMemberRemove': {
+        dtsLines.push(
+          `  ${fileName}: Action<[import('discord-api-types/v10').GatewayGuildMemberRemoveDispatchData, WebSocketShard]>;`,
+        );
+        break;
+      }
+      case 'GuildMemberUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[import('discord-api-types/v10').GatewayGuildMemberUpdateDispatchData, WebSocketShard]>;`,
+        );
+        break;
+      }
+      case 'MessageUpdate': {
+        dtsLines.push(
+          `  ${fileName}: Action<[import('discord-api-types/v10').GatewayMessageUpdateDispatchData], { old?: Message; updated?: Message; }>;`,
+        );
+        break;
+      }
+      default: {
+        dtsLines.push(
+          `  ${fileName}: Action<[import('discord-api-types/v10').Gateway${file.slice(0, -3)}DispatchData]>;`,
+        );
+        break;
+      }
+    }
   }
 
-  lines.push('  }\n');
+  lines.push('  }', '');
   lines.push('  register(Action) {');
   lines.push("    this[Action.name.replace(/Action$/, '')] = new Action(this.client);");
   lines.push('  }');
-  lines.push('}\n');
-  lines.push('module.exports = ActionsManager;\n');
+  lines.push('}', '');
+  lines.push('module.exports = ActionsManager;', '');
+
+  dtsLines.push(`  // Autogenerated end
+}
+
+export = ActionsManager;
+`);
 
   const outputFile = new URL('../src/client/actions/ActionsManager.js', import.meta.url);
+  const outputDtsFile = new URL('../src/client/actions/ActionsManager.d.ts', import.meta.url);
 
   await writeFile(outputFile, lines.join('\n'));
+  await writeFile(outputDtsFile, dtsLines.join('\n'));
 }
 
 writeWebsocketHandlerImports();
diff --git a/packages/discord.js/src/client/actions/Action.js b/packages/discord.js/src/client/actions/Action.js
index 96170ee87..b44292165 100644
--- a/packages/discord.js/src/client/actions/Action.js
+++ b/packages/discord.js/src/client/actions/Action.js
@@ -1,5 +1,9 @@
 'use strict';
 
+/**
+ * @import Client from '../Client';
+ */
+
 const Partials = require('../../util/Partials');
 
 /*
@@ -14,13 +18,28 @@ that WebSocket events don't clash with REST methods.
 
 */
 
+/**
+ * @template {any[]} Arguments
+ * @template {any} [ReturnType=void]
+ */
 class GenericAction {
+  /**
+   * @param {Client} client The client
+   * @internal
+   * @hideconstructor
+   */
   constructor(client) {
     this.client = client;
   }
 
-  handle(data) {
-    return data;
+  /**
+   * @param {Arguments} _args Arguments passed to the handler
+   * @returns {ReturnType}
+   */
+  handle(..._args) {
+    /** @type {any} */
+    const casted = _args;
+    return casted;
   }
 
   getPayload(data, manager, id, partialType, cache) {
diff --git a/packages/discord.js/src/client/actions/ActionsManager.d.ts b/packages/discord.js/src/client/actions/ActionsManager.d.ts
new file mode 100644
index 000000000..c48679968
--- /dev/null
+++ b/packages/discord.js/src/client/actions/ActionsManager.d.ts
@@ -0,0 +1,107 @@
+import Action from './Action';
+import Client from '../Client';
+import { Guild } from '../../structures/Guild';
+import { BaseChannel } from '../../structures/BaseChannel';
+import WebSocketShard from '../websocket/WebSocketShard';
+import { Message } from '../../structures/Message';
+
+declare class ActionsManager {
+  injectedUser: symbol;
+  injectedChannel: symbol;
+  injectedMessage: symbol;
+  client: Client;
+
+  constructor(client: Client);
+
+  register(action: typeof Action): void;
+
+  // Autogenerated start
+  ApplicationCommandPermissionsUpdate: Action<
+    [import('discord-api-types/v10').GatewayApplicationCommandPermissionsUpdateDispatchData]
+  >;
+  AutoModerationActionExecution: Action<
+    [import('discord-api-types/v10').GatewayAutoModerationActionExecutionDispatchData]
+  >;
+  AutoModerationRuleCreate: Action<[import('discord-api-types/v10').GatewayAutoModerationRuleCreateDispatchData]>;
+  AutoModerationRuleDelete: Action<[import('discord-api-types/v10').GatewayAutoModerationRuleDeleteDispatchData]>;
+  AutoModerationRuleUpdate: Action<[import('discord-api-types/v10').GatewayAutoModerationRuleUpdateDispatchData]>;
+  ChannelCreate: Action<[import('discord-api-types/v10').GatewayChannelCreateDispatchData]>;
+  ChannelDelete: Action<[import('discord-api-types/v10').GatewayChannelDeleteDispatchData]>;
+  ChannelUpdate: Action<
+    [import('discord-api-types/v10').GatewayChannelUpdateDispatchData],
+    { old?: BaseChannel; updated?: BaseChannel }
+  >;
+  EntitlementCreate: Action<[import('discord-api-types/v10').GatewayEntitlementCreateDispatchData]>;
+  EntitlementDelete: Action<[import('discord-api-types/v10').GatewayEntitlementDeleteDispatchData]>;
+  EntitlementUpdate: Action<[import('discord-api-types/v10').GatewayEntitlementUpdateDispatchData]>;
+  GuildAuditLogEntryCreate: Action<[import('discord-api-types/v10').GatewayGuildAuditLogEntryCreateDispatchData]>;
+  GuildBanAdd: Action<[import('discord-api-types/v10').GatewayGuildBanAddDispatchData]>;
+  GuildBanRemove: Action<[import('discord-api-types/v10').GatewayGuildBanRemoveDispatchData]>;
+  GuildChannelsPositionUpdate: Action<
+    [{ guild_id: string; channels: { id: string; position: number }[] }],
+    { guild: Guild }
+  >;
+  GuildDelete: Action<[import('discord-api-types/v10').GatewayGuildDeleteDispatchData]>;
+  GuildEmojiCreate: Action<[guild: Guild, emoji: import('discord-api-types/v10').APIEmoji]>;
+  GuildEmojiDelete: Action<[emoji: import('discord-api-types/v10').APIEmoji]>;
+  GuildEmojiUpdate: Action<
+    [oldEmoji: import('discord-api-types/v10').APIEmoji, newEmoji: import('discord-api-types/v10').APIEmoji]
+  >;
+  GuildEmojisUpdate: Action<[import('discord-api-types/v10').GatewayGuildEmojisUpdateDispatchData]>;
+  GuildIntegrationsUpdate: Action<[import('discord-api-types/v10').GatewayGuildIntegrationsUpdateDispatchData]>;
+  GuildMemberRemove: Action<[import('discord-api-types/v10').GatewayGuildMemberRemoveDispatchData, WebSocketShard]>;
+  GuildMemberUpdate: Action<[import('discord-api-types/v10').GatewayGuildMemberUpdateDispatchData, WebSocketShard]>;
+  GuildRoleCreate: Action<[import('discord-api-types/v10').GatewayGuildRoleCreateDispatchData]>;
+  GuildRoleDelete: Action<[import('discord-api-types/v10').GatewayGuildRoleDeleteDispatchData]>;
+  GuildRoleUpdate: Action<[import('discord-api-types/v10').GatewayGuildRoleUpdateDispatchData]>;
+  GuildRolesPositionUpdate: Action<[{ guild_id: string; roles: { id: string; position: number }[] }], { guild: Guild }>;
+  GuildScheduledEventCreate: Action<[import('discord-api-types/v10').GatewayGuildScheduledEventCreateDispatchData]>;
+  GuildScheduledEventDelete: Action<[import('discord-api-types/v10').GatewayGuildScheduledEventDeleteDispatchData]>;
+  GuildScheduledEventUpdate: Action<[import('discord-api-types/v10').GatewayGuildScheduledEventUpdateDispatchData]>;
+  GuildScheduledEventUserAdd: Action<[import('discord-api-types/v10').GatewayGuildScheduledEventUserAddDispatchData]>;
+  GuildScheduledEventUserRemove: Action<
+    [import('discord-api-types/v10').GatewayGuildScheduledEventUserRemoveDispatchData]
+  >;
+  GuildStickerCreate: Action<
+    [guild: Guild, sticker: import('discord-api-types/v10').APISticker],
+    { sticker: import('discord-api-types/v10').APISticker }
+  >;
+  GuildStickerDelete: Action<[sticker: import('discord-api-types/v10').APISticker]>;
+  GuildStickerUpdate: Action<
+    [oldSticker: import('discord-api-types/v10').APISticker, newSticker: import('discord-api-types/v10').APISticker]
+  >;
+  GuildStickersUpdate: Action<[import('discord-api-types/v10').GatewayGuildStickersUpdateDispatchData]>;
+  GuildUpdate: Action<[import('discord-api-types/v10').GatewayGuildUpdateDispatchData]>;
+  InteractionCreate: Action<[import('discord-api-types/v10').GatewayInteractionCreateDispatchData]>;
+  InviteCreate: Action<[import('discord-api-types/v10').GatewayInviteCreateDispatchData]>;
+  InviteDelete: Action<[import('discord-api-types/v10').GatewayInviteDeleteDispatchData]>;
+  MessageCreate: Action<[import('discord-api-types/v10').GatewayMessageCreateDispatchData]>;
+  MessageDelete: Action<[import('discord-api-types/v10').GatewayMessageDeleteDispatchData]>;
+  MessageDeleteBulk: Action<[import('discord-api-types/v10').GatewayMessageDeleteBulkDispatchData]>;
+  MessagePollVoteAdd: Action<[import('discord-api-types/v10').GatewayMessagePollVoteDispatchData]>;
+  MessagePollVoteRemove: Action<[import('discord-api-types/v10').GatewayMessagePollVoteDispatchData]>;
+  MessageReactionAdd: Action<[import('discord-api-types/v10').GatewayMessageReactionAddDispatchData]>;
+  MessageReactionRemove: Action<[import('discord-api-types/v10').GatewayMessageReactionRemoveDispatchData]>;
+  MessageReactionRemoveAll: Action<[import('discord-api-types/v10').GatewayMessageReactionRemoveAllDispatchData]>;
+  MessageReactionRemoveEmoji: Action<[import('discord-api-types/v10').GatewayMessageReactionRemoveEmojiDispatchData]>;
+  MessageUpdate: Action<
+    [import('discord-api-types/v10').GatewayMessageUpdateDispatchData],
+    { old?: Message; updated?: Message }
+  >;
+  PresenceUpdate: Action<[import('discord-api-types/v10').GatewayPresenceUpdateDispatchData]>;
+  StageInstanceCreate: Action<[import('discord-api-types/v10').GatewayStageInstanceCreateDispatchData]>;
+  StageInstanceDelete: Action<[import('discord-api-types/v10').GatewayStageInstanceDeleteDispatchData]>;
+  StageInstanceUpdate: Action<[import('discord-api-types/v10').GatewayStageInstanceUpdateDispatchData]>;
+  ThreadCreate: Action<[import('discord-api-types/v10').GatewayThreadCreateDispatchData]>;
+  ThreadDelete: Action<[import('discord-api-types/v10').GatewayThreadDeleteDispatchData]>;
+  ThreadListSync: Action<[import('discord-api-types/v10').GatewayThreadListSyncDispatchData]>;
+  ThreadMemberUpdate: Action<[import('discord-api-types/v10').GatewayThreadMemberUpdateDispatchData]>;
+  ThreadMembersUpdate: Action<[import('discord-api-types/v10').GatewayThreadMembersUpdateDispatchData]>;
+  TypingStart: Action<[import('discord-api-types/v10').GatewayTypingStartDispatchData]>;
+  UserUpdate: Action<[import('discord-api-types/v10').GatewayUserUpdateDispatchData]>;
+  VoiceStateUpdate: Action<[import('discord-api-types/v10').GatewayVoiceStateUpdateDispatchData]>;
+  WebhooksUpdate: Action<[import('discord-api-types/v10').GatewayWebhooksUpdateDispatchData]>;
+  // Autogenerated end
+}
+
+export = ActionsManager;
diff --git a/packages/discord.js/src/client/actions/ActionsManager.js b/packages/discord.js/src/client/actions/ActionsManager.js
index dd305a948..3d50a89b8 100644
--- a/packages/discord.js/src/client/actions/ActionsManager.js
+++ b/packages/discord.js/src/client/actions/ActionsManager.js
@@ -1,5 +1,9 @@
 'use strict';
 
+/**
+ * @import Client from '../Client';
+ */
+
 class ActionsManager {
   // These symbols represent fully built data that we inject at times when calling actions manually.
   // Action#getUser, for example, will return the injected data (which is assumed to be a built structure)
@@ -8,6 +12,11 @@ class ActionsManager {
   injectedChannel = Symbol('djs.actions.injectedChannel');
   injectedMessage = Symbol('djs.actions.injectedMessage');
 
+  /**
+   * @param {Client} client The client
+   * @internal
+   * @hideconstructor
+   */
   constructor(client) {
     this.client = client;
 
diff --git a/packages/discord.js/src/client/actions/MessageReactionAdd.js b/packages/discord.js/src/client/actions/MessageReactionAdd.js
index ea97bd60d..d884eeb21 100644
--- a/packages/discord.js/src/client/actions/MessageReactionAdd.js
+++ b/packages/discord.js/src/client/actions/MessageReactionAdd.js
@@ -7,7 +7,7 @@ const Partials = require('../../util/Partials');
 /*
 { user_id: 'id',
      message_id: 'id',
-     emoji: { name: '�', id: null },
+     emoji: { name: '', id: null },
      channel_id: 'id',
      // If originating from a guild
      guild_id: 'id',
diff --git a/packages/discord.js/src/client/actions/MessageReactionRemove.js b/packages/discord.js/src/client/actions/MessageReactionRemove.js
index 9ca3a8e5e..2ab479768 100644
--- a/packages/discord.js/src/client/actions/MessageReactionRemove.js
+++ b/packages/discord.js/src/client/actions/MessageReactionRemove.js
@@ -6,7 +6,7 @@ const Events = require('../../util/Events');
 /*
 { user_id: 'id',
      message_id: 'id',
-     emoji: { name: '�', id: null },
+     emoji: { name: '', id: null },
      channel_id: 'id',
      guild_id: 'id' }
 */
diff --git a/packages/discord.js/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js
index 73d4ec47f..1160eb4e0 100644
--- a/packages/discord.js/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayApplicationCommandPermissionsUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayApplicationCommandPermissionsUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ApplicationCommandPermissionsUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_ACTION_EXECUTION.js b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_ACTION_EXECUTION.js
index 22463b6e1..f39ee8007 100644
--- a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_ACTION_EXECUTION.js
+++ b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_ACTION_EXECUTION.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayAutoModerationActionExecutionDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayAutoModerationActionExecutionDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.AutoModerationActionExecution.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_CREATE.js b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_CREATE.js
index af64b9cbc..83bc53696 100644
--- a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayAutoModerationRuleCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayAutoModerationRuleCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.AutoModerationRuleCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_DELETE.js b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_DELETE.js
index 56ec504a9..537ba435b 100644
--- a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayAutoModerationRuleDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayAutoModerationRuleDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.AutoModerationRuleDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_UPDATE.js
index 3caf6ba55..8ca2b787e 100644
--- a/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/AUTO_MODERATION_RULE_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayAutoModerationRuleUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayAutoModerationRuleUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.AutoModerationRuleUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/CHANNEL_CREATE.js b/packages/discord.js/src/client/websocket/handlers/CHANNEL_CREATE.js
index d6d560d8e..544855bc1 100644
--- a/packages/discord.js/src/client/websocket/handlers/CHANNEL_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/CHANNEL_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayChannelCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayChannelCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ChannelCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/CHANNEL_DELETE.js b/packages/discord.js/src/client/websocket/handlers/CHANNEL_DELETE.js
index cb9f3d8c1..d4cd79865 100644
--- a/packages/discord.js/src/client/websocket/handlers/CHANNEL_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/CHANNEL_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayChannelDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayChannelDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ChannelDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js
index c46e52727..b0b4b6145 100644
--- a/packages/discord.js/src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js
@@ -1,7 +1,16 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayChannelPinsUpdateDispatch } from 'discord-api-types/v10';
+ */
+
 const Events = require('../../../util/Events');
 
+/**
+ * @param {Client} client The client
+ * @param {GatewayChannelPinsUpdateDispatch} packet The received packet
+ */
 module.exports = (client, { d: data }) => {
   const channel = client.channels.cache.get(data.channel_id);
   const time = data.last_pin_timestamp ? Date.parse(data.last_pin_timestamp) : null;
diff --git a/packages/discord.js/src/client/websocket/handlers/CHANNEL_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/CHANNEL_UPDATE.js
index 8f35121b0..9fb715cf4 100644
--- a/packages/discord.js/src/client/websocket/handlers/CHANNEL_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/CHANNEL_UPDATE.js
@@ -1,9 +1,19 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayChannelUpdateDispatch } from 'discord-api-types/v10';
+ */
+
 const Events = require('../../../util/Events');
 
+/**
+ * @param {Client} client The client
+ * @param {GatewayChannelUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   const { old, updated } = client.actions.ChannelUpdate.handle(packet.d);
+
   if (old && updated) {
     /**
      * Emitted whenever a channel is updated - e.g. name change, topic change, channel type change.
diff --git a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_CREATE.js b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_CREATE.js
index 08e37b819..bf2ecd084 100644
--- a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayEntitlementCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayEntitlementCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.EntitlementCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_DELETE.js b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_DELETE.js
index d731d1bb5..901777828 100644
--- a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayEntitlementDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayEntitlementDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.EntitlementDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_UPDATE.js
index 51534bbe4..4f0e98b04 100644
--- a/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/ENTITLEMENT_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayEntitlementUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayEntitlementUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.EntitlementUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_AUDIT_LOG_ENTRY_CREATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_AUDIT_LOG_ENTRY_CREATE.js
index 862314166..8adf8e44a 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_AUDIT_LOG_ENTRY_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_AUDIT_LOG_ENTRY_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildAuditLogEntryCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildAuditLogEntryCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildAuditLogEntryCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_ADD.js b/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_ADD.js
index d8dc0f9da..3c2146326 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_ADD.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_ADD.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildBanAddDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildBanAddDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildBanAdd.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_REMOVE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_REMOVE.js
index 8389e46e8..f5b36db3c 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_REMOVE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_BAN_REMOVE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildBanRemoveDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildBanRemoveDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildBanRemove.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_CREATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_CREATE.js
index 141f0abe9..aff55b3c4 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_CREATE.js
@@ -3,6 +3,17 @@
 const Events = require('../../../util/Events');
 const Status = require('../../../util/Status');
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildCreateDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildCreateDispatch} packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
 module.exports = (client, { d: data }, shard) => {
   let guild = client.guilds.cache.get(data.id);
   if (guild) {
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_DELETE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_DELETE.js
index 27a325623..a239994fa 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_EMOJIS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_EMOJIS_UPDATE.js
index e23b6713f..1fec702d3 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_EMOJIS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_EMOJIS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildEmojisUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildEmojisUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildEmojisUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_INTEGRATIONS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_INTEGRATIONS_UPDATE.js
index e90a72c25..12bdc170c 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_INTEGRATIONS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_INTEGRATIONS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildIntegrationsUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildIntegrationsUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildIntegrationsUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBERS_CHUNK.js b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBERS_CHUNK.js
index 2f61a1ea2..c461d3c45 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBERS_CHUNK.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBERS_CHUNK.js
@@ -3,6 +3,15 @@
 const { Collection } = require('@discordjs/collection');
 const Events = require('../../../util/Events');
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildMembersChunkDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildMembersChunkDispatch} packet The received packet
+ */
 module.exports = (client, { d: data }) => {
   const guild = client.guilds.cache.get(data.guild_id);
   if (!guild) return;
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_ADD.js b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_ADD.js
index fece5d76f..10e2b96ed 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_ADD.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_ADD.js
@@ -3,6 +3,17 @@
 const Events = require('../../../util/Events');
 const Status = require('../../../util/Status');
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildMemberAddDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildMemberAddDispatch} packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
 module.exports = (client, { d: data }, shard) => {
   const guild = client.guilds.cache.get(data.guild_id);
   if (guild) {
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_REMOVE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_REMOVE.js
index 72432af11..d21e78b06 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_REMOVE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_REMOVE.js
@@ -1,5 +1,16 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildMemberRemoveDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildMemberRemoveDispatch} packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
 module.exports = (client, packet, shard) => {
   client.actions.GuildMemberRemove.handle(packet.d, shard);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_UPDATE.js
index cafc6bd59..fae7fd56a 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_MEMBER_UPDATE.js
@@ -1,5 +1,16 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildMemberUpdateDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildMemberUpdateDispatch} packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
 module.exports = (client, packet, shard) => {
   client.actions.GuildMemberUpdate.handle(packet.d, shard);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_CREATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_CREATE.js
index da9e7bc4b..7c6b276f9 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildRoleCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildRoleCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildRoleCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_DELETE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_DELETE.js
index cdc635316..63d858d9c 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildRoleDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildRoleDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildRoleDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_UPDATE.js
index 3a9b62e80..2466c4f02 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_ROLE_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildRoleUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildRoleUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildRoleUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_CREATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_CREATE.js
index 04ff2df82..3cf5847c7 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildScheduledEventCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildScheduledEventCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildScheduledEventCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_DELETE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_DELETE.js
index b660c0966..5e73f76ef 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildScheduledEventDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildScheduledEventDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildScheduledEventDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_UPDATE.js
index 006470831..494a3fa02 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildScheduledEventUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildScheduledEventUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildScheduledEventUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_ADD.js b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_ADD.js
index d5adca2cd..8cc0e071a 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_ADD.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_ADD.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildScheduledEventUserAddDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildScheduledEventUserAddDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildScheduledEventUserAdd.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_REMOVE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_REMOVE.js
index 114df6823..b7bf21659 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_REMOVE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_SCHEDULED_EVENT_USER_REMOVE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildScheduledEventUserRemoveDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildScheduledEventUserRemoveDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildScheduledEventUserRemove.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_STICKERS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_STICKERS_UPDATE.js
index e3aba61e5..8ce18ba1e 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_STICKERS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_STICKERS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildStickersUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildStickersUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildStickersUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/GUILD_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/GUILD_UPDATE.js
index fd0012ad9..5bb296c9a 100644
--- a/packages/discord.js/src/client/websocket/handlers/GUILD_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/GUILD_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayGuildUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayGuildUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.GuildUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/INTERACTION_CREATE.js b/packages/discord.js/src/client/websocket/handlers/INTERACTION_CREATE.js
index 5bf30fcc7..69fbd03a3 100644
--- a/packages/discord.js/src/client/websocket/handlers/INTERACTION_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/INTERACTION_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayInteractionCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayInteractionCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.InteractionCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/INVITE_CREATE.js b/packages/discord.js/src/client/websocket/handlers/INVITE_CREATE.js
index 50a2e72dd..0d5833110 100644
--- a/packages/discord.js/src/client/websocket/handlers/INVITE_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/INVITE_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayInviteCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayInviteCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.InviteCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/INVITE_DELETE.js b/packages/discord.js/src/client/websocket/handlers/INVITE_DELETE.js
index 597185234..235217b20 100644
--- a/packages/discord.js/src/client/websocket/handlers/INVITE_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/INVITE_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayInviteDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayInviteDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.InviteDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js
index c9b79a8fa..9035a8cae 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE.js
index 85ae2bc75..99c9a9b1f 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE_BULK.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE_BULK.js
index fbcf80fd3..b48a124f5 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE_BULK.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_DELETE_BULK.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageDeleteBulkDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageDeleteBulkDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageDeleteBulk.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_ADD.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_ADD.js
index 807597bbf..05b079ee2 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_ADD.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_ADD.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessagePollVoteAddDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessagePollVoteAddDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessagePollVoteAdd.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_REMOVE.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_REMOVE.js
index 3dee48432..9c88d96a3 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_REMOVE.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_POLL_VOTE_REMOVE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessagePollVoteRemoveDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessagePollVoteRemoveDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessagePollVoteRemove.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_ADD.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_ADD.js
index e219b4a52..e3fc997c3 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_ADD.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_ADD.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageReactionAddDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageReactionAddDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageReactionAdd.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE.js
index 2980e6954..a74afdfec 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageReactionRemoveDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageReactionRemoveDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageReactionRemove.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_ALL.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_ALL.js
index ead80f755..2e268ca8b 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_ALL.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_ALL.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageReactionRemoveAllDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageReactionRemoveAllDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageReactionRemoveAll.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_EMOJI.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_EMOJI.js
index 579444c97..5ffed0fd5 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_EMOJI.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_REACTION_REMOVE_EMOJI.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageReactionRemoveEmojiDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageReactionRemoveEmojiDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.MessageReactionRemoveEmoji.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/MESSAGE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/MESSAGE_UPDATE.js
index c2a470bf7..798a24e64 100644
--- a/packages/discord.js/src/client/websocket/handlers/MESSAGE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/MESSAGE_UPDATE.js
@@ -2,6 +2,15 @@
 
 const Events = require('../../../util/Events');
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayMessageUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayMessageUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   const { old, updated } = client.actions.MessageUpdate.handle(packet.d);
   if (old && updated) {
diff --git a/packages/discord.js/src/client/websocket/handlers/PRESENCE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/PRESENCE_UPDATE.js
index bde36297d..05f8f34d7 100644
--- a/packages/discord.js/src/client/websocket/handlers/PRESENCE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/PRESENCE_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayPresenceUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayPresenceUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.PresenceUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/READY.js b/packages/discord.js/src/client/websocket/handlers/READY.js
index 82da01cf7..cb921f19d 100644
--- a/packages/discord.js/src/client/websocket/handlers/READY.js
+++ b/packages/discord.js/src/client/websocket/handlers/READY.js
@@ -3,6 +3,17 @@
 const ClientApplication = require('../../../structures/ClientApplication');
 let ClientUser;
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayReadyDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayReadyDispatch} packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
 module.exports = (client, { d: data }, shard) => {
   if (client.user) {
     client.user._patch(data.user);
diff --git a/packages/discord.js/src/client/websocket/handlers/RESUMED.js b/packages/discord.js/src/client/websocket/handlers/RESUMED.js
index 27ed7ddc5..5ca446706 100644
--- a/packages/discord.js/src/client/websocket/handlers/RESUMED.js
+++ b/packages/discord.js/src/client/websocket/handlers/RESUMED.js
@@ -2,7 +2,18 @@
 
 const Events = require('../../../util/Events');
 
-module.exports = (client, packet, shard) => {
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayResumedDispatch } from 'discord-api-types/v10';
+ * @import WebSocketShard from '../WebSocketShard';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayResumedDispatch} _packet The received packet
+ * @param {WebSocketShard} shard The shard that the event was received on
+ */
+module.exports = (client, _packet, shard) => {
   const replayed = shard.sessionInfo.sequence - shard.closeSequence;
   /**
    * Emitted when a shard resumes successfully.
diff --git a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_CREATE.js b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_CREATE.js
index 77ae2ff3c..d9a8c9e12 100644
--- a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayStageInstanceCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayStageInstanceCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.StageInstanceCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_DELETE.js b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_DELETE.js
index e2bb62750..f756a6dc4 100644
--- a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayStageInstanceDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayStageInstanceDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.StageInstanceDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_UPDATE.js
index fabc84a63..e5f4c9091 100644
--- a/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/STAGE_INSTANCE_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayStageInstanceUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayStageInstanceUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.StageInstanceUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_CREATE.js b/packages/discord.js/src/client/websocket/handlers/THREAD_CREATE.js
index d92cab057..2b6d9111f 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_CREATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_CREATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadCreateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadCreateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ThreadCreate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_DELETE.js b/packages/discord.js/src/client/websocket/handlers/THREAD_DELETE.js
index 1140a08e8..e4e2a8513 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_DELETE.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_DELETE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadDeleteDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadDeleteDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ThreadDelete.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_LIST_SYNC.js b/packages/discord.js/src/client/websocket/handlers/THREAD_LIST_SYNC.js
index 17b173adf..74c0677bc 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_LIST_SYNC.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_LIST_SYNC.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadListSyncDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadListSyncDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ThreadListSync.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBERS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBERS_UPDATE.js
index f3c7a738c..86fc8171f 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBERS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBERS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadMembersUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadMembersUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ThreadMembersUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBER_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBER_UPDATE.js
index a111b0ac6..ec38d16b0 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBER_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_MEMBER_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadMemberUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadMemberUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.ThreadMemberUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/THREAD_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/THREAD_UPDATE.js
index 481dcd476..3d4c27ef5 100644
--- a/packages/discord.js/src/client/websocket/handlers/THREAD_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/THREAD_UPDATE.js
@@ -2,6 +2,15 @@
 
 const Events = require('../../../util/Events');
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayThreadUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayThreadUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   const { old, updated } = client.actions.ChannelUpdate.handle(packet.d);
   if (old && updated) {
diff --git a/packages/discord.js/src/client/websocket/handlers/TYPING_START.js b/packages/discord.js/src/client/websocket/handlers/TYPING_START.js
index 9a56a5458..20e839dac 100644
--- a/packages/discord.js/src/client/websocket/handlers/TYPING_START.js
+++ b/packages/discord.js/src/client/websocket/handlers/TYPING_START.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayTypingStartDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayTypingStartDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.TypingStart.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/USER_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/USER_UPDATE.js
index a02bf5887..ba56f3174 100644
--- a/packages/discord.js/src/client/websocket/handlers/USER_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/USER_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayUserUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayUserUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.UserUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/VOICE_SERVER_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/VOICE_SERVER_UPDATE.js
index f9cf53433..90b26fe05 100644
--- a/packages/discord.js/src/client/websocket/handlers/VOICE_SERVER_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/VOICE_SERVER_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayVoiceServerUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayVoiceServerUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.emit('debug', `[VOICE] received voice server: ${JSON.stringify(packet)}`);
   client.voice.onVoiceServer(packet.d);
diff --git a/packages/discord.js/src/client/websocket/handlers/VOICE_STATE_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/VOICE_STATE_UPDATE.js
index dbff6ea2d..46cfb5151 100644
--- a/packages/discord.js/src/client/websocket/handlers/VOICE_STATE_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/VOICE_STATE_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayVoiceStateUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayVoiceStateUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.VoiceStateUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/src/client/websocket/handlers/WEBHOOKS_UPDATE.js b/packages/discord.js/src/client/websocket/handlers/WEBHOOKS_UPDATE.js
index 46cacee0b..c52a320a8 100644
--- a/packages/discord.js/src/client/websocket/handlers/WEBHOOKS_UPDATE.js
+++ b/packages/discord.js/src/client/websocket/handlers/WEBHOOKS_UPDATE.js
@@ -1,5 +1,14 @@
 'use strict';
 
+/**
+ * @import Client from '../../Client';
+ * @import { GatewayWebhooksUpdateDispatch } from 'discord-api-types/v10';
+ */
+
+/**
+ * @param {Client} client The client
+ * @param {GatewayWebhooksUpdateDispatch} packet The received packet
+ */
 module.exports = (client, packet) => {
   client.actions.WebhooksUpdate.handle(packet.d);
 };
diff --git a/packages/discord.js/tsconfig.json b/packages/discord.js/tsconfig.json
index cc0e2b3db..a9ca6e58c 100644
--- a/packages/discord.js/tsconfig.json
+++ b/packages/discord.js/tsconfig.json
@@ -2,6 +2,9 @@
   "$schema": "https://json.schemastore.org/tsconfig.json",
   "extends": "../../tsconfig.json",
   "compilerOptions": {
+    // Emit
+    "noEmit": true,
+
     // Output Formatting
     "pretty": false,
 
@@ -21,5 +24,7 @@
       "undici",
       "@sapphire/snowflake"
     ]
-  }
+  },
+  "include": ["typings", "scripts"],
+  "exclude": ["src/**/*.d.ts"]
 }
diff --git a/packages/discord.js/tsconfig.typechecking.json b/packages/discord.js/tsconfig.typechecking.json
new file mode 100644
index 000000000..e64965462
--- /dev/null
+++ b/packages/discord.js/tsconfig.typechecking.json
@@ -0,0 +1,15 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    // Modules
+    "module": "Node16",
+    "moduleResolution": "Node16",
+
+    // Language and Environment
+    "allowJs": true,
+    "checkJs": true,
+    "target": "ES2020"
+  },
+  "include": ["src"],
+  "exclude": ["typings"]
+}