diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -65,6 +65,7 @@
   type UserSurfacedPermission,
   threadPermissionFilterPrefixes,
   threadPermissionsDisabledByBlock,
+  type ThreadPermissionNotAffectedByBlock,
 } from '../types/thread-permission-types.js';
 import {
   type ThreadType,
@@ -102,7 +103,7 @@
 
 function threadHasPermission(
   threadInfo: ?(ThreadInfo | LegacyRawThreadInfo | RawThreadInfo),
-  permission: ThreadPermission,
+  permission: ThreadPermissionNotAffectedByBlock,
 ): boolean {
   if (!threadInfo) {
     return false;
diff --git a/lib/types/thread-permission-types.js b/lib/types/thread-permission-types.js
--- a/lib/types/thread-permission-types.js
+++ b/lib/types/thread-permission-types.js
@@ -20,12 +20,7 @@
   REMOVE_MEMBERS: 'remove_members',
 });
 
-// When a new permission is added, if it should be configurable for a role, it
-// should be either added to an existing set or a new set alongside a
-// new user-facing permission. If it is a permission that should be ensured
-// across all roles, it should be added to `universalCommunityPermissions`.
-export const threadPermissions = Object.freeze({
-  ...threadPermissionsDisabledByBlock,
+export const threadPermissionsNotAffectedByBlock = Object.freeze({
   KNOW_OF: 'know_of',
   VISIBLE: 'visible',
   DELETE_THREAD: 'delete_thread',
@@ -38,6 +33,19 @@
   MANAGE_INVITE_LINKS: 'manage_invite_links',
   VOICED_IN_ANNOUNCEMENT_CHANNELS: 'voiced_in_announcement_channels',
 });
+
+export type ThreadPermissionNotAffectedByBlock = $Values<
+  typeof threadPermissionsNotAffectedByBlock,
+>;
+
+// When a new permission is added, if it should be configurable for a role, it
+// should be either added to an existing set or a new set alongside a
+// new user-facing permission. If it is a permission that should be ensured
+// across all roles, it should be added to `universalCommunityPermissions`.
+export const threadPermissions = Object.freeze({
+  ...threadPermissionsDisabledByBlock,
+  ...threadPermissionsNotAffectedByBlock,
+});
 export type ThreadPermission = $Values<typeof threadPermissions>;
 
 export function assertThreadPermissions(