diff --git a/lib/buildFile.js b/lib/buildFile.js
index 1b0f1f92a..4c73139e9 100644
--- a/lib/buildFile.js
+++ b/lib/buildFile.js
@@ -26,6 +26,7 @@ import createFormatArgs from './utils/createFormatArgs.js';
  * @typedef {import('../types/Config.d.ts').Config} Config
  * @typedef {import('../types/File.d.ts').File} File
  * @typedef {import('../types/Filter.d.ts').Matcher} Matcher
+ * @typedef {import('../types/Format.d.ts').FormatterArguments} FormatterArguments
  */
 
 /**
diff --git a/lib/utils/createFormatArgs.js b/lib/utils/createFormatArgs.js
index c19b1aa12..dceaf36a3 100644
--- a/lib/utils/createFormatArgs.js
+++ b/lib/utils/createFormatArgs.js
@@ -18,6 +18,7 @@ import deepExtend from './deepExtend.js';
  * @typedef {import('../../types/Config.d.ts').PlatformConfig} PlatformConfig
  * @typedef {import('../../types/Config.d.ts').Config} Options
  * @typedef {import('../../types/File.d.ts').File} File
+ * @typedef {import('../../types/Format.d.ts').FormatterArguments} FormatterArguments
  *
 
 /**
@@ -28,7 +29,7 @@ import deepExtend from './deepExtend.js';
  *   options: Options;
  *   file: File;
  * }} param0
- * @returns
+ * @returns {FormatterArguments}
  */
 export default function createFormatArgs({ dictionary, platform, options, file }) {
   const { allTokens, tokens } = dictionary;
@@ -41,7 +42,7 @@ export default function createFormatArgs({ dictionary, platform, options, file }
   // always has the destination prop, then result will be File rather than Partial<File>, so we just typecast it.
   file = /** @type {File} */ (deepExtend([{}, fileOptsTakenFromPlatform, file]));
 
-  return {
+  return /** @type {FormatterArguments} */ ({
     dictionary,
     allTokens,
     tokens,
@@ -51,5 +52,5 @@ export default function createFormatArgs({ dictionary, platform, options, file }
       ...(file.options || {}),
       usesDtcg: options?.usesDtcg ?? false,
     },
-  };
+  });
 }