Use as const

#5089

src/server/api/endpoints/users/groups/transfer.ts

@@ -4,7 +4,6 @@ import define from '../../../define';
 import { ApiError } from '../../../error';
 import { getUser } from '../../../common/getters';
 import { UserGroups, UserGroupJoinings } from '../../../../../models';
-import { types, bool } from '../../../../../misc/schema';
 
 export const meta = {
 	desc: {
@@ -33,8 +32,8 @@ export const meta = {
 	},
 
 	res: {
-		type: types.object,
-		optional: bool.false, nullable: bool.false,
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
 		ref: 'UserGroup',
 	},