diff --git a/.idea/nulib.iml b/.idea/nulib.iml
index cfcc99b..61abbb4 100644
--- a/.idea/nulib.iml
+++ b/.idea/nulib.iml
@@ -4,6 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/php/src_base" isTestSource="false" packagePrefix="nulib\" />
       <sourceFolder url="file://$MODULE_DIR$/php/tests" isTestSource="true" packagePrefix="nulib\" />
+      <sourceFolder url="file://$MODULE_DIR$/php/src_output" isTestSource="false" packagePrefix="nulib\output\" />
       <excludeFolder url="file://$MODULE_DIR$/vendor" />
     </content>
     <orderEntry type="inheritedJdk" />
diff --git a/composer.json b/composer.json
index a075909..ee7bce3 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,8 @@
 	},
 	"autoload": {
 		"psr-4": {
-			"nulib\\": "php/src_base"
+			"nulib\\": "php/src_base",
+			"nulib\\output\\": "php/src_output"
 		}
 	},
 	"autoload-dev": {
diff --git a/composer.lock b/composer.lock
index 1b8c104..0b15fe9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -138,16 +138,16 @@
         },
         {
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-            "version": "v4.17.1",
+            "version": "v4.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d"
+                "reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
-                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/1bcbb2179f97633e98bbbc87044ee2611c7d7999",
+                "reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999",
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             },
             "require": {
@@ -188,9 +188,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.17.1"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.18.0"
             },
-            "time": "2023-08-13T19:53:39+00:00"
+            "time": "2023-12-10T21:03:43+00:00"
         },
         {
             "name": "nulib/tests",
@@ -337,23 +337,23 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.29",
+            "version": "9.2.30",
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                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76"
+                "reference": "ca2bd87d2f9215904682a9cb9bb37dda98e76089"
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-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/6a3a87ac2bbe33b25042753df8195ba4aa534c76",
-                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/ca2bd87d2f9215904682a9cb9bb37dda98e76089",
+                "reference": "ca2bd87d2f9215904682a9cb9bb37dda98e76089",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
                 "ext-libxml": "*",
                 "ext-xmlwriter": "*",
-                "nikic/php-parser": "^4.15",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3",
                 "phpunit/php-file-iterator": "^3.0.3",
                 "phpunit/php-text-template": "^2.0.2",
@@ -403,7 +403,7 @@
             "support": {
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                 "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.29"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.30"
             },
             "funding": [
                 {
@@ -411,7 +411,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-09-19T04:57:46+00:00"
+            "time": "2023-12-22T06:47:57+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -656,16 +656,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.13",
+            "version": "9.6.15",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be"
+                "reference": "05017b80304e0eb3f31d90194a563fd53a6021f1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/f3d767f7f9e191eab4189abe41ab37797e30b1be",
-                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/05017b80304e0eb3f31d90194a563fd53a6021f1",
+                "reference": "05017b80304e0eb3f31d90194a563fd53a6021f1",
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@@ -739,7 +739,7 @@
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                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.13"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.15"
             },
             "funding": [
                 {
@@ -755,7 +755,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-19T05:39:22+00:00"
+            "time": "2023-12-01T16:55:19+00:00"
         },
         {
             "name": "sebastian/cli-parser",
@@ -1000,20 +1000,20 @@
         },
         {
             "name": "sebastian/complexity",
-            "version": "2.0.2",
+            "version": "2.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/complexity.git",
-                "reference": "739b35e53379900cc9ac327b2147867b8b6efd88"
+                "reference": "25f207c40d62b8b7aa32f5ab026c53561964053a"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/complexity/zipball/739b35e53379900cc9ac327b2147867b8b6efd88",
-                "reference": "739b35e53379900cc9ac327b2147867b8b6efd88",
+                "url": "https://api.github.com/repos/sebastianbergmann/complexity/zipball/25f207c40d62b8b7aa32f5ab026c53561964053a",
+                "reference": "25f207c40d62b8b7aa32f5ab026c53561964053a",
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             },
             "require": {
-                "nikic/php-parser": "^4.7",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3"
             },
             "require-dev": {
@@ -1045,7 +1045,7 @@
             "homepage": "https://github.com/sebastianbergmann/complexity",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/complexity/issues",
-                "source": "https://github.com/sebastianbergmann/complexity/tree/2.0.2"
+                "source": "https://github.com/sebastianbergmann/complexity/tree/2.0.3"
             },
             "funding": [
                 {
@@ -1053,7 +1053,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-26T15:52:27+00:00"
+            "time": "2023-12-22T06:19:30+00:00"
         },
         {
             "name": "sebastian/diff",
@@ -1327,20 +1327,20 @@
         },
         {
             "name": "sebastian/lines-of-code",
-            "version": "1.0.3",
+            "version": "1.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/lines-of-code.git",
-                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc"
+                "reference": "e1e4a170560925c26d424b6a03aed157e7dcc5c5"
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             "dist": {
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-                "url": "https://api.github.com/repos/sebastianbergmann/lines-of-code/zipball/c1c2e997aa3146983ed888ad08b15470a2e22ecc",
-                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc",
+                "url": "https://api.github.com/repos/sebastianbergmann/lines-of-code/zipball/e1e4a170560925c26d424b6a03aed157e7dcc5c5",
+                "reference": "e1e4a170560925c26d424b6a03aed157e7dcc5c5",
                 "shasum": ""
             },
             "require": {
-                "nikic/php-parser": "^4.6",
+                "nikic/php-parser": "^4.18 || ^5.0",
                 "php": ">=7.3"
             },
             "require-dev": {
@@ -1372,7 +1372,7 @@
             "homepage": "https://github.com/sebastianbergmann/lines-of-code",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/lines-of-code/issues",
-                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.3"
+                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.4"
             },
             "funding": [
                 {
@@ -1380,7 +1380,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-11-28T06:42:11+00:00"
+            "time": "2023-12-22T06:20:34+00:00"
         },
         {
             "name": "sebastian/object-enumerator",
@@ -1723,16 +1723,16 @@
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.2.1",
+            "version": "1.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e"
+                "reference": "b2ad5003ca10d4ee50a12da31de12a5774ba6b96"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/34a41e998c2183e22995f158c581e7b5e755ab9e",
-                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/b2ad5003ca10d4ee50a12da31de12a5774ba6b96",
+                "reference": "b2ad5003ca10d4ee50a12da31de12a5774ba6b96",
                 "shasum": ""
             },
             "require": {
@@ -1761,7 +1761,7 @@
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
             "support": {
                 "issues": "https://github.com/theseer/tokenizer/issues",
-                "source": "https://github.com/theseer/tokenizer/tree/1.2.1"
+                "source": "https://github.com/theseer/tokenizer/tree/1.2.2"
             },
             "funding": [
                 {
@@ -1769,7 +1769,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-07-28T10:34:58+00:00"
+            "time": "2023-11-20T00:12:19+00:00"
         }
     ],
     "aliases": [],