diff --git a/packages/cli/mock/locales/strings1.xml b/packages/cli/mock/locales/strings1.xml
index 18e1a15..da03b30 100644
--- a/packages/cli/mock/locales/strings1.xml
+++ b/packages/cli/mock/locales/strings1.xml
@@ -1,4 +1,4 @@
 <resources>
   <string name="key1">value1</string>
   <string name="key2">value2</string>
-</resources>
+</resources>
\ No newline at end of file
diff --git a/packages/cli/package.json b/packages/cli/package.json
index b593084..581682d 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -27,8 +27,10 @@
 	},
 	"dependencies": {
 		"@inquirer/prompts": "3.3.0",
-		"@types/yargs": "17.0.32",
 		"xml-locales": "workspace:0.0.4",
 		"yargs": "17.7.2"
+	},
+	"devDependencies": {
+		"@types/yargs": "17.0.32"
 	}
 }
diff --git a/packages/cli/src/utils/files.test.ts b/packages/cli/src/utils/files.test.ts
index 0fe6972..6c9b656 100644
--- a/packages/cli/src/utils/files.test.ts
+++ b/packages/cli/src/utils/files.test.ts
@@ -67,7 +67,8 @@ describe('writeFile', () => {
 			`<resources>
   <string name="key1">value1</string>
   <string name="key2">value2</string>
-</resources>`
+</resources>
+`
 		);
 	});
 });
diff --git a/packages/xml-locales/src/utils/xml.ts b/packages/xml-locales/src/utils/xml.ts
index 3a68d3d..207665d 100644
--- a/packages/xml-locales/src/utils/xml.ts
+++ b/packages/xml-locales/src/utils/xml.ts
@@ -40,8 +40,11 @@ const defaultXmlOptions: XmlConstructor = {
 };
 
 export class XmlParser {
+	/** @internal */
 	private parser: XMLParser;
+	/** @internal */
 	private builder: XMLBuilder;
+	/** @internal */
 	private formatter: (xmlString: string) => string;
 
 	constructor(xmlOptions?: XmlConstructor) {
diff --git a/packages/xml-locales/src/xml-locales.ts b/packages/xml-locales/src/xml-locales.ts
index 9948110..f70808d 100644
--- a/packages/xml-locales/src/xml-locales.ts
+++ b/packages/xml-locales/src/xml-locales.ts
@@ -15,9 +15,11 @@ import type {
 import type { XmlConstructor } from './utils/xml.js';
 
 export class XmlLocales {
+	/** @internal */
 	private readonly xmlParser: XmlParser;
-
+	/** @internal */
 	private xmlOptions?: XmlConstructor;
+	/** @internal */
 	private xmlData: XmlJsonData;
 
 	constructor(
@@ -29,6 +31,7 @@ export class XmlLocales {
 		this.parseXml(xmlData);
 	}
 
+	/** @internal */
 	private parseXml(xmlData?: XmlDataTypes): void {
 		if (xmlData instanceof XmlJsonData) {
 			this.xmlData = xmlData;
@@ -52,6 +55,7 @@ export class XmlLocales {
 		}
 	}
 
+	/** @internal */
 	private newInstance(): XmlLocales {
 		return new XmlLocales(this.xmlData, this.xmlOptions);
 	}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c56f1ce..baf961a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -47,15 +47,16 @@ importers:
       '@inquirer/prompts':
         specifier: 3.3.0
         version: 3.3.0
-      '@types/yargs':
-        specifier: 17.0.32
-        version: 17.0.32
       xml-locales:
         specifier: workspace:0.0.4
         version: link:../xml-locales
       yargs:
         specifier: 17.7.2
         version: 17.7.2
+    devDependencies:
+      '@types/yargs':
+        specifier: 17.0.32
+        version: 17.0.32
 
   packages/xml-locales:
     dependencies:
@@ -1267,13 +1268,13 @@ packages:
 
   /@types/yargs-parser@21.0.3:
     resolution: {integrity: sha512-I4q9QU9MQv4oEOz4tAHJtNz1cwuLxn2F3xcc2iV5WdqLPpUnj30aUuxt1mAxYTG+oe8CZMV/+6rU4S4gRDzqtQ==}
-    dev: false
+    dev: true
 
   /@types/yargs@17.0.32:
     resolution: {integrity: sha512-xQ67Yc/laOG5uMfX/093MRlGGCIBzZMarVa+gfNKJxWAIgykYpVGkBdbqEzGDDfCrVUj6Hiff4mTZ5BA6TmAog==}
     dependencies:
       '@types/yargs-parser': 21.0.3
-    dev: false
+    dev: true
 
   /@vitest/coverage-v8@0.34.6(vitest@0.34.6):
     resolution: {integrity: sha512-fivy/OK2d/EsJFoEoxHFEnNGTg+MmdZBAVK9Ka4qhXR2K3J0DS08vcGVwzDtXSuUMabLv4KtPcpSKkcMXFDViw==}