diff --git a/.codacy.yml b/.codacy.yml
new file mode 100644
index 0000000..008d53b
--- /dev/null
+++ b/.codacy.yml
@@ -0,0 +1,4 @@
+exclude_paths:
+  - ".github/**"
+  - "example/**"
+  - "test/**"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2a04e16..19f7612 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,19 +1,25 @@
 name: CI
 
-on: [push]
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+  actions: read
 
 jobs:
   composer:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}
@@ -22,22 +28,24 @@ jobs:
         uses: php-actions/composer@v6
         with:
           php_version: ${{ matrix.php }}
+          php_extensions: pcntl
 
       - name: Archive build
-        run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
+        run: mkdir /tmp/github-actions/ && tar --exclude=".git" -cvf /tmp/github-actions/build.tar ./
 
       - name: Upload build archive for test runners
         uses: actions/upload-artifact@v4
         with:
           name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
+          retention-days: 1
 
   phpunit:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     outputs:
       coverage: ${{ steps.store-coverage.outputs.coverage_text }}
@@ -72,7 +80,7 @@ jobs:
     needs: [ phpunit ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/checkout@v4
@@ -87,13 +95,16 @@ jobs:
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: ${{ github.repository }}
 
   phpstan:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -109,13 +120,15 @@ jobs:
         with:
           php_version: ${{ matrix.php }}
           path: src/
+          level: 6
+          memory_limit: 256M
 
   phpmd:
     runs-on: ubuntu-latest
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -139,7 +152,7 @@ jobs:
     needs: [ composer ]
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4, 8.5 ]
 
     steps:
       - uses: actions/download-artifact@v4
@@ -156,18 +169,3 @@ jobs:
           php_version: ${{ matrix.php }}
           path: src/
           standard: phpcs.xml
-
-  remove_old_artifacts:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Remove old artifacts for prior workflow runs on this repository
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          gh api "/repos/${{ github.repository }}/actions/artifacts?name=build-artifact" | jq ".artifacts[] | select(.name | startswith(\"build-artifact\")) | .id" > artifact-id-list.txt
-          while read id
-          do
-            echo -n "Deleting artifact ID $id ... "
-            gh api --method DELETE /repos/${{ github.repository }}/actions/artifacts/$id && echo "Done"
-          done <artifact-id-list.txt
diff --git a/README.md b/README.md
index 03859bd..8a3fa1a 100644
--- a/README.md
+++ b/README.md
@@ -44,9 +44,9 @@ Usage example
 -------------
 
 ```php
-use Gt\Json\JsonObjectBuilder;
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonPrimitive\JsonPrimitive;
+use GT\Json\JsonObjectBuilder;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonPrimitive\JsonPrimitive;
 
 $response = file_get_contents("https://example.com/details.json");
 $builder = new JsonObjectBuilder();
diff --git a/composer.json b/composer.json
index b5335be..04ef41b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
 		"phpstan/phpstan": "^2.1",
 		"phpunit/phpunit": "^10.1",
 		"phpmd/phpmd": "^2.13",
-		"squizlabs/php_codesniffer": "^3.7"
+		"squizlabs/php_codesniffer": "^4.0"
 	},
 
 	"license": "MIT",
@@ -28,20 +28,35 @@
 
 	"autoload": {
 		"psr-4": {
+			"GT\\Json\\": "./src",
 			"Gt\\Json\\": "./src"
 		}
 	},
 
 	"autoload-dev": {
 		"psr-4": {
+			"GT\\Json\\Test\\": "./test/phpunit",
 			"Gt\\Json\\Test\\": "./test/phpunit"
 		}
 	},
 
+	"scripts": {
+		"phpunit": "vendor/bin/phpunit --configuration phpunit.xml",
+		"phpstan": "vendor/bin/phpstan analyse --level 6 src",
+		"phpcs": "vendor/bin/phpcs src --standard=phpcs.xml",
+		"phpmd": "vendor/bin/phpmd src/ text phpmd.xml",
+		"test": [
+			"@phpunit",
+			"@phpstan",
+			"@phpcs",
+			"@phpmd"
+		]
+	},
+
 	"funding": [
 		{
 			"type": "github",
-			"url": "https://github.com/sponsors/PhpGt"
+			"url": "https://github.com/sponsors/phpgt"
 		}
 	]
 }
diff --git a/composer.lock b/composer.lock
index 3b507dc..e7c4503 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a82ee593a32d210196b342b06708d0e3",
+    "content-hash": "6924a59037dbdb34a3c2d7fa24737f3b",
     "packages": [
         {
             "name": "justinrainbow/json-schema",
@@ -210,16 +210,16 @@
         },
         {
             "name": "phpgt/typesafegetter",
-            "version": "v1.3.2",
+            "version": "v1.3.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/PhpGt/TypeSafeGetter.git",
-                "reference": "f760c05a37b1cc188dcbf800c5fdfab8a926b4b0"
+                "url": "https://github.com/phpgt/TypeSafeGetter.git",
+                "reference": "a0d339103828791989cbb81f760d252f3c2f8b8c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PhpGt/TypeSafeGetter/zipball/f760c05a37b1cc188dcbf800c5fdfab8a926b4b0",
-                "reference": "f760c05a37b1cc188dcbf800c5fdfab8a926b4b0",
+                "url": "https://api.github.com/repos/phpgt/TypeSafeGetter/zipball/a0d339103828791989cbb81f760d252f3c2f8b8c",
+                "reference": "a0d339103828791989cbb81f760d252f3c2f8b8c",
                 "shasum": ""
             },
             "require": {
@@ -249,8 +249,8 @@
             ],
             "description": "An interface for objects that expose type-safe getter methods.",
             "support": {
-                "issues": "https://github.com/PhpGt/TypeSafeGetter/issues",
-                "source": "https://github.com/PhpGt/TypeSafeGetter/tree/v1.3.2"
+                "issues": "https://github.com/phpgt/TypeSafeGetter/issues",
+                "source": "https://github.com/phpgt/TypeSafeGetter/tree/v1.3.3"
             },
             "funding": [
                 {
@@ -258,7 +258,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-04-28T14:42:27+00:00"
+            "time": "2026-03-10T22:28:01+00:00"
         }
     ],
     "packages-dev": [
@@ -791,11 +791,11 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.40",
+            "version": "2.1.50",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
-                "reference": "9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
+                "reference": "d452086fb4cf648c6b2d8cf3b639351f79e4f3e2",
                 "shasum": ""
             },
             "require": {
@@ -840,7 +840,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-02-23T15:04:35+00:00"
+            "time": "2026-04-17T13:10:32+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -1165,16 +1165,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.62",
+            "version": "10.5.63",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "3f7dd5066ebde5809296a81f0b19e8b00e5aab49"
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/3f7dd5066ebde5809296a81f0b19e8b00e5aab49",
-                "reference": "3f7dd5066ebde5809296a81f0b19e8b00e5aab49",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/33198268dad71e926626b618f3ec3966661e4d90",
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90",
                 "shasum": ""
             },
             "require": {
@@ -1246,7 +1246,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.62"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.63"
             },
             "funding": [
                 {
@@ -1270,7 +1270,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-01-27T05:32:38+00:00"
+            "time": "2026-01-27T05:48:37+00:00"
         },
         {
             "name": "psr/container",
@@ -2330,37 +2330,32 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.11.3",
+            "version": "4.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "ba05f990e79cbe69b9f35c8c1ac8dca7eecc3a10"
+                "reference": "0525c73950de35ded110cffafb9892946d7771b5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/ba05f990e79cbe69b9f35c8c1ac8dca7eecc3a10",
-                "reference": "ba05f990e79cbe69b9f35c8c1ac8dca7eecc3a10",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/0525c73950de35ded110cffafb9892946d7771b5",
+                "reference": "0525c73950de35ded110cffafb9892946d7771b5",
                 "shasum": ""
             },
             "require": {
                 "ext-simplexml": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
-                "php": ">=5.4.0"
+                "php": ">=7.2.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
+                "phpunit/phpunit": "^8.4.0 || ^9.3.4 || ^10.5.32 || 11.3.3 - 11.5.28 || ^11.5.31"
             },
             "bin": [
                 "bin/phpcbf",
                 "bin/phpcs"
             ],
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.x-dev"
-                }
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -2379,7 +2374,7 @@
                     "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer/graphs/contributors"
                 }
             ],
-            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "description": "PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.",
             "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
             "keywords": [
                 "phpcs",
@@ -2406,24 +2401,24 @@
                     "type": "open_collective"
                 },
                 {
-                    "url": "https://thanks.dev/phpcsstandards",
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-01-23T17:04:15+00:00"
+            "time": "2025-11-10T16:43:36+00:00"
         },
         {
             "name": "symfony/config",
-            "version": "v6.4.14",
+            "version": "v6.4.34",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "4e55e7e4ffddd343671ea972216d4509f46c22ef"
+                "reference": "ce9cb0c0d281aaf188b802d4968e42bfb60701e9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/4e55e7e4ffddd343671ea972216d4509f46c22ef",
-                "reference": "4e55e7e4ffddd343671ea972216d4509f46c22ef",
+                "url": "https://api.github.com/repos/symfony/config/zipball/ce9cb0c0d281aaf188b802d4968e42bfb60701e9",
+                "reference": "ce9cb0c0d281aaf188b802d4968e42bfb60701e9",
                 "shasum": ""
             },
             "require": {
@@ -2469,7 +2464,7 @@
             "description": "Helps you find, load, combine, autofill and validate configuration values of any kind",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/config/tree/v6.4.14"
+                "source": "https://github.com/symfony/config/tree/v6.4.34"
             },
             "funding": [
                 {
@@ -2480,25 +2475,29 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-11-04T11:33:53+00:00"
+            "time": "2026-02-24T17:34:50+00:00"
         },
         {
             "name": "symfony/dependency-injection",
-            "version": "v6.4.19",
+            "version": "v6.4.36",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "b343c3b2f1539fe41331657b37d5c96c1d1ea842"
+                "reference": "cd7881a6dc84b780411199cd0584e1a53a3b9ba7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/b343c3b2f1539fe41331657b37d5c96c1d1ea842",
-                "reference": "b343c3b2f1539fe41331657b37d5c96c1d1ea842",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/cd7881a6dc84b780411199cd0584e1a53a3b9ba7",
+                "reference": "cd7881a6dc84b780411199cd0584e1a53a3b9ba7",
                 "shasum": ""
             },
             "require": {
@@ -2506,7 +2505,7 @@
                 "psr/container": "^1.1|^2.0",
                 "symfony/deprecation-contracts": "^2.5|^3",
                 "symfony/service-contracts": "^2.5|^3.0",
-                "symfony/var-exporter": "^6.2.10|^7.0"
+                "symfony/var-exporter": "^6.4.20|^7.2.5"
             },
             "conflict": {
                 "ext-psr": "<1.1|>=2",
@@ -2550,7 +2549,7 @@
             "description": "Allows you to standardize and centralize the way objects are constructed in your application",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/dependency-injection/tree/v6.4.19"
+                "source": "https://github.com/symfony/dependency-injection/tree/v6.4.36"
             },
             "funding": [
                 {
@@ -2561,25 +2560,29 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-20T10:02:49+00:00"
+            "time": "2026-03-30T16:39:36+00:00"
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v3.5.1",
+            "version": "v3.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "74c71c939a79f7d5bf3c1ce9f5ea37ba0114c6f6"
+                "reference": "63afe740e99a13ba87ec199bb07bbdee937a5b62"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/74c71c939a79f7d5bf3c1ce9f5ea37ba0114c6f6",
-                "reference": "74c71c939a79f7d5bf3c1ce9f5ea37ba0114c6f6",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/63afe740e99a13ba87ec199bb07bbdee937a5b62",
+                "reference": "63afe740e99a13ba87ec199bb07bbdee937a5b62",
                 "shasum": ""
             },
             "require": {
@@ -2592,7 +2595,7 @@
                     "name": "symfony/contracts"
                 },
                 "branch-alias": {
-                    "dev-main": "3.5-dev"
+                    "dev-main": "3.6-dev"
                 }
             },
             "autoload": {
@@ -2617,7 +2620,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.5.1"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.6.0"
             },
             "funding": [
                 {
@@ -2633,20 +2636,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-25T14:20:29+00:00"
+            "time": "2024-09-25T14:21:43+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v6.4.13",
+            "version": "v6.4.34",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3"
+                "reference": "01ffe0411b842f93c571e5c391f289c3fdd498c3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/4856c9cf585d5a0313d8d35afd681a526f038dd3",
-                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/01ffe0411b842f93c571e5c391f289c3fdd498c3",
+                "reference": "01ffe0411b842f93c571e5c391f289c3fdd498c3",
                 "shasum": ""
             },
             "require": {
@@ -2683,7 +2686,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v6.4.13"
+                "source": "https://github.com/symfony/filesystem/tree/v6.4.34"
             },
             "funding": [
                 {
@@ -2694,25 +2697,29 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-10-25T15:07:50+00:00"
+            "time": "2026-02-24T17:51:06+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.31.0",
+            "version": "v1.36.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638"
+                "reference": "141046a8f9477948ff284fa65be2095baafb94f2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/a3cc8b044a6ea513310cbd48ef7333b384945638",
-                "reference": "a3cc8b044a6ea513310cbd48ef7333b384945638",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/141046a8f9477948ff284fa65be2095baafb94f2",
+                "reference": "141046a8f9477948ff284fa65be2095baafb94f2",
                 "shasum": ""
             },
             "require": {
@@ -2762,7 +2769,7 @@
                 "portable"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.31.0"
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.36.0"
             },
             "funding": [
                 {
@@ -2773,28 +2780,33 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-09T11:45:10+00:00"
+            "time": "2026-04-10T16:19:22+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.31.0",
+            "version": "v1.36.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341"
+                "reference": "6a21eb99c6973357967f6ce3708cd55a6bec6315"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/85181ba99b2345b0ef10ce42ecac37612d9fd341",
-                "reference": "85181ba99b2345b0ef10ce42ecac37612d9fd341",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6a21eb99c6973357967f6ce3708cd55a6bec6315",
+                "reference": "6a21eb99c6973357967f6ce3708cd55a6bec6315",
                 "shasum": ""
             },
             "require": {
+                "ext-iconv": "*",
                 "php": ">=7.2"
             },
             "provide": {
@@ -2842,7 +2854,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.31.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.36.0"
             },
             "funding": [
                 {
@@ -2853,25 +2865,29 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-09T11:45:10+00:00"
+            "time": "2026-04-10T17:25:58+00:00"
         },
         {
             "name": "symfony/service-contracts",
-            "version": "v3.5.1",
+            "version": "v3.6.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/service-contracts.git",
-                "reference": "e53260aabf78fb3d63f8d79d69ece59f80d5eda0"
+                "reference": "45112560a3ba2d715666a509a0bc9521d10b6c43"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/e53260aabf78fb3d63f8d79d69ece59f80d5eda0",
-                "reference": "e53260aabf78fb3d63f8d79d69ece59f80d5eda0",
+                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/45112560a3ba2d715666a509a0bc9521d10b6c43",
+                "reference": "45112560a3ba2d715666a509a0bc9521d10b6c43",
                 "shasum": ""
             },
             "require": {
@@ -2889,7 +2905,7 @@
                     "name": "symfony/contracts"
                 },
                 "branch-alias": {
-                    "dev-main": "3.5-dev"
+                    "dev-main": "3.6-dev"
                 }
             },
             "autoload": {
@@ -2925,7 +2941,7 @@
                 "standards"
             ],
             "support": {
-                "source": "https://github.com/symfony/service-contracts/tree/v3.5.1"
+                "source": "https://github.com/symfony/service-contracts/tree/v3.6.1"
             },
             "funding": [
                 {
@@ -2936,25 +2952,29 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-25T14:20:29+00:00"
+            "time": "2025-07-15T11:30:57+00:00"
         },
         {
             "name": "symfony/var-exporter",
-            "version": "v6.4.19",
+            "version": "v6.4.36",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-exporter.git",
-                "reference": "be6e71b0c257884c1107313de5d247741cfea172"
+                "reference": "f9c4a9695a9e2bbc65c920e147d8d7ae28f8d79a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/be6e71b0c257884c1107313de5d247741cfea172",
-                "reference": "be6e71b0c257884c1107313de5d247741cfea172",
+                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/f9c4a9695a9e2bbc65c920e147d8d7ae28f8d79a",
+                "reference": "f9c4a9695a9e2bbc65c920e147d8d7ae28f8d79a",
                 "shasum": ""
             },
             "require": {
@@ -3002,7 +3022,7 @@
                 "serialize"
             ],
             "support": {
-                "source": "https://github.com/symfony/var-exporter/tree/v6.4.19"
+                "source": "https://github.com/symfony/var-exporter/tree/v6.4.36"
             },
             "funding": [
                 {
@@ -3013,12 +3033,16 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-13T09:33:32+00:00"
+            "time": "2026-03-10T15:06:19+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/example/01-basic-usage.php b/example/01-basic-usage.php
index a2651d7..4196b3b 100644
--- a/example/01-basic-usage.php
+++ b/example/01-basic-usage.php
@@ -1,6 +1,6 @@
 <?php
-use Gt\Json\JsonObject;
-use Gt\Json\JsonObjectBuilder;
+use GT\Json\JsonObject;
+use GT\Json\JsonObjectBuilder;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/example/02-typed-array.php b/example/02-typed-array.php
index 5533409..9195911 100644
--- a/example/02-typed-array.php
+++ b/example/02-typed-array.php
@@ -1,6 +1,6 @@
 <?php
-use Gt\Json\JsonObject;
-use Gt\Json\JsonObjectBuilder;
+use GT\Json\JsonObject;
+use GT\Json\JsonObjectBuilder;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/example/03-schema.php b/example/03-schema.php
index 33f8017..a011929 100644
--- a/example/03-schema.php
+++ b/example/03-schema.php
@@ -1,9 +1,9 @@
 <?php
 // The JSON we will validate. Notice that one of the array keys is not a string,
 // and the "colour" property is misspelled.
-use Gt\Json\JsonObjectBuilder;
-use Gt\Json\Schema\ValidationError;
-use Gt\Json\Schema\Validator;
+use GT\Json\JsonObjectBuilder;
+use GT\Json\Schema\ValidationError;
+use GT\Json\Schema\Validator;
 
 require __DIR__ . "/../vendor/autoload.php";
 
diff --git a/src/FileNotFoundException.php b/src/FileNotFoundException.php
index 50e6f5f..328431a 100644
--- a/src/FileNotFoundException.php
+++ b/src/FileNotFoundException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 class FileNotFoundException extends JsonException { }
diff --git a/src/JsonDecodeException.php b/src/JsonDecodeException.php
index 52cd868..4330e72 100644
--- a/src/JsonDecodeException.php
+++ b/src/JsonDecodeException.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 use Throwable;
 
diff --git a/src/JsonErrorCustomPropertyNameException.php b/src/JsonErrorCustomPropertyNameException.php
index 7e0c558..aabf6c1 100644
--- a/src/JsonErrorCustomPropertyNameException.php
+++ b/src/JsonErrorCustomPropertyNameException.php
@@ -1,6 +1,4 @@
 <?php
-namespace Gt\Json;
-
-use Throwable;
+namespace GT\Json;
 
 class JsonErrorCustomPropertyNameException extends JsonException {}
diff --git a/src/JsonErrorStateException.php b/src/JsonErrorStateException.php
index f77342c..2321112 100644
--- a/src/JsonErrorStateException.php
+++ b/src/JsonErrorStateException.php
@@ -1,6 +1,4 @@
 <?php
-namespace Gt\Json;
-
-use Throwable;
+namespace GT\Json;
 
 class JsonErrorStateException extends JsonException {}
diff --git a/src/JsonException.php b/src/JsonException.php
index 8ecf56a..1bb3ecf 100644
--- a/src/JsonException.php
+++ b/src/JsonException.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 use RuntimeException;
 
diff --git a/src/JsonKvpObject.php b/src/JsonKvpObject.php
index 261825b..c93a244 100644
--- a/src/JsonKvpObject.php
+++ b/src/JsonKvpObject.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 use Iterator;
 
diff --git a/src/JsonObject.php b/src/JsonObject.php
index a4d0cda..46e74ba 100644
--- a/src/JsonObject.php
+++ b/src/JsonObject.php
@@ -1,8 +1,8 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 use Gt\DataObject\DataObject;
-use Gt\Json\JsonPrimitive\JsonPrimitive;
+use GT\Json\JsonPrimitive\JsonPrimitive;
 use Stringable;
 
 abstract class JsonObject extends DataObject implements Stringable {
diff --git a/src/JsonObjectBuilder.php b/src/JsonObjectBuilder.php
index cf1a312..f904fdd 100644
--- a/src/JsonObjectBuilder.php
+++ b/src/JsonObjectBuilder.php
@@ -1,14 +1,14 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 use Gt\DataObject\DataObjectBuilder;
-use Gt\Json\JsonPrimitive\JsonArrayPrimitive;
-use Gt\Json\JsonPrimitive\JsonBoolPrimitive;
-use Gt\Json\JsonPrimitive\JsonFloatPrimitive;
-use Gt\Json\JsonPrimitive\JsonIntPrimitive;
-use Gt\Json\JsonPrimitive\JsonNullPrimitive;
-use Gt\Json\JsonPrimitive\JsonPrimitive;
-use Gt\Json\JsonPrimitive\JsonStringPrimitive;
+use GT\Json\JsonPrimitive\JsonArrayPrimitive;
+use GT\Json\JsonPrimitive\JsonBoolPrimitive;
+use GT\Json\JsonPrimitive\JsonFloatPrimitive;
+use GT\Json\JsonPrimitive\JsonIntPrimitive;
+use GT\Json\JsonPrimitive\JsonNullPrimitive;
+use GT\Json\JsonPrimitive\JsonPrimitive;
+use GT\Json\JsonPrimitive\JsonStringPrimitive;
 use JsonException as NativeJsonException;
 use stdClass;
 
diff --git a/src/JsonPrimitive/JsonArrayPrimitive.php b/src/JsonPrimitive/JsonArrayPrimitive.php
index fa1212c..1f530fb 100644
--- a/src/JsonPrimitive/JsonArrayPrimitive.php
+++ b/src/JsonPrimitive/JsonArrayPrimitive.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
 class JsonArrayPrimitive extends JsonPrimitive {
 	/** @return array<int, mixed> */
diff --git a/src/JsonPrimitive/JsonBoolPrimitive.php b/src/JsonPrimitive/JsonBoolPrimitive.php
index b39cd9e..0f4d714 100644
--- a/src/JsonPrimitive/JsonBoolPrimitive.php
+++ b/src/JsonPrimitive/JsonBoolPrimitive.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
 class JsonBoolPrimitive extends JsonPrimitive {
 	public function getPrimitiveValue():bool {
diff --git a/src/JsonPrimitive/JsonFloatPrimitive.php b/src/JsonPrimitive/JsonFloatPrimitive.php
index 1c80c1e..1daadea 100644
--- a/src/JsonPrimitive/JsonFloatPrimitive.php
+++ b/src/JsonPrimitive/JsonFloatPrimitive.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
 class JsonFloatPrimitive extends JsonPrimitive {
 	public function getPrimitiveValue():float {
diff --git a/src/JsonPrimitive/JsonIntPrimitive.php b/src/JsonPrimitive/JsonIntPrimitive.php
index 5cf7be3..1610144 100644
--- a/src/JsonPrimitive/JsonIntPrimitive.php
+++ b/src/JsonPrimitive/JsonIntPrimitive.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
 class JsonIntPrimitive extends JsonPrimitive {
 	public function getPrimitiveValue():int {
diff --git a/src/JsonPrimitive/JsonNullPrimitive.php b/src/JsonPrimitive/JsonNullPrimitive.php
index 0d2f244..22a8aa1 100644
--- a/src/JsonPrimitive/JsonNullPrimitive.php
+++ b/src/JsonPrimitive/JsonNullPrimitive.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
 class JsonNullPrimitive extends JsonPrimitive {
 	public function getPrimitiveValue():mixed {
diff --git a/src/JsonPrimitive/JsonPrimitive.php b/src/JsonPrimitive/JsonPrimitive.php
index 7f0d518..7788cad 100644
--- a/src/JsonPrimitive/JsonPrimitive.php
+++ b/src/JsonPrimitive/JsonPrimitive.php
@@ -1,8 +1,8 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
-use Gt\Json\JsonDecodeException;
-use Gt\Json\JsonObject;
+use GT\Json\JsonDecodeException;
+use GT\Json\JsonObject;
 
 abstract class JsonPrimitive extends JsonObject {
 	/** @var object|bool|int|float|string|array<int, mixed>|null */
diff --git a/src/JsonPrimitive/JsonStringPrimitive.php b/src/JsonPrimitive/JsonStringPrimitive.php
index 26c4942..d901ed6 100644
--- a/src/JsonPrimitive/JsonStringPrimitive.php
+++ b/src/JsonPrimitive/JsonStringPrimitive.php
@@ -1,7 +1,7 @@
 <?php
-namespace Gt\Json\JsonPrimitive;
+namespace GT\Json\JsonPrimitive;
 
-use Gt\Json\JsonDecodeException;
+use GT\Json\JsonDecodeException;
 
 class JsonStringPrimitive extends JsonPrimitive {
 	public function getPrimitiveValue():string {
diff --git a/src/JsonTypeException.php b/src/JsonTypeException.php
index 82e0188..5d09fb0 100644
--- a/src/JsonTypeException.php
+++ b/src/JsonTypeException.php
@@ -1,4 +1,4 @@
 <?php
-namespace Gt\Json;
+namespace GT\Json;
 
 class JsonTypeException extends JsonException {}
diff --git a/src/Schema/JsonDocument.php b/src/Schema/JsonDocument.php
index fd5ad93..9288c45 100644
--- a/src/Schema/JsonDocument.php
+++ b/src/Schema/JsonDocument.php
@@ -1,16 +1,16 @@
 <?php
-namespace Gt\Json\Schema;
+namespace GT\Json\Schema;
 
-use Gt\Json\JsonErrorCustomPropertyNameException;
-use Gt\Json\JsonErrorStateException;
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonObject;
-use Gt\Json\JsonTypeException;
+use GT\Json\JsonErrorCustomPropertyNameException;
+use GT\Json\JsonErrorStateException;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonObject;
+use GT\Json\JsonTypeException;
 
 class JsonDocument {
 	private bool $hasError = false;
-	/** @var callable */
-	private $errorCallback;
+	/** @var null|callable(string, null|array<string, mixed>):void */
+	private $errorCallback = null;
 
 	public function __construct(
 		private ?JsonObject $jsonObject = null,
@@ -79,7 +79,7 @@ public function error(
 		}
 
 		$this->hasError = true;
-		if(isset($this->errorCallback)) {
+		if($this->errorCallback !== null) {
 			call_user_func($this->errorCallback, $message, $context);
 		}
 	}
diff --git a/src/Schema/ValidationError.php b/src/Schema/ValidationError.php
index 7a58f0a..4bcb650 100644
--- a/src/Schema/ValidationError.php
+++ b/src/Schema/ValidationError.php
@@ -1,10 +1,10 @@
 <?php
-namespace Gt\Json\Schema;
+namespace GT\Json\Schema;
 
 use Gt\DataObject\DataObject;
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonObject;
-use Gt\Json\JsonObjectBuilder;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonObject;
+use GT\Json\JsonObjectBuilder;
 use JsonSerializable;
 
 class ValidationError extends ValidationResult implements JsonSerializable {
diff --git a/src/Schema/ValidationResult.php b/src/Schema/ValidationResult.php
index a9f1cf7..5442a79 100644
--- a/src/Schema/ValidationResult.php
+++ b/src/Schema/ValidationResult.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\Schema;
+namespace GT\Json\Schema;
 
 abstract class ValidationResult {
 }
diff --git a/src/Schema/ValidationSuccess.php b/src/Schema/ValidationSuccess.php
index 503d9a4..296ed81 100644
--- a/src/Schema/ValidationSuccess.php
+++ b/src/Schema/ValidationSuccess.php
@@ -1,5 +1,5 @@
 <?php
-namespace Gt\Json\Schema;
+namespace GT\Json\Schema;
 
 class ValidationSuccess extends ValidationResult {
 
diff --git a/src/Schema/Validator.php b/src/Schema/Validator.php
index 023a5c6..9bb8a21 100644
--- a/src/Schema/Validator.php
+++ b/src/Schema/Validator.php
@@ -1,9 +1,9 @@
 <?php
-namespace Gt\Json\Schema;
+namespace GT\Json\Schema;
 
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonObject;
-use Gt\Json\JsonPrimitive\JsonPrimitive;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonObject;
+use GT\Json\JsonPrimitive\JsonPrimitive;
 use JsonSchema\Validator as JsonSchemaValidator;
 
 class Validator {
diff --git a/test/phpunit/JsonObjectBuilderTest.php b/test/phpunit/JsonObjectBuilderTest.php
index 4eb721d..1241865 100644
--- a/test/phpunit/JsonObjectBuilderTest.php
+++ b/test/phpunit/JsonObjectBuilderTest.php
@@ -1,16 +1,16 @@
 <?php
-namespace Gt\Json\Test;
+namespace GT\Json\Test;
 
-use Gt\Json\FileNotFoundException;
-use Gt\Json\JsonDecodeException;
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonObjectBuilder;
-use Gt\Json\JsonPrimitive\JsonArrayPrimitive;
-use Gt\Json\JsonPrimitive\JsonBoolPrimitive;
-use Gt\Json\JsonPrimitive\JsonFloatPrimitive;
-use Gt\Json\JsonPrimitive\JsonIntPrimitive;
-use Gt\Json\JsonPrimitive\JsonNullPrimitive;
-use Gt\Json\JsonPrimitive\JsonStringPrimitive;
+use GT\Json\FileNotFoundException;
+use GT\Json\JsonDecodeException;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonObjectBuilder;
+use GT\Json\JsonPrimitive\JsonArrayPrimitive;
+use GT\Json\JsonPrimitive\JsonBoolPrimitive;
+use GT\Json\JsonPrimitive\JsonFloatPrimitive;
+use GT\Json\JsonPrimitive\JsonIntPrimitive;
+use GT\Json\JsonPrimitive\JsonNullPrimitive;
+use GT\Json\JsonPrimitive\JsonStringPrimitive;
 use PHPUnit\Framework\TestCase;
 
 class JsonObjectBuilderTest extends TestCase {
diff --git a/test/phpunit/JsonObjectTest.php b/test/phpunit/JsonObjectTest.php
index 221309f..4ce4efa 100644
--- a/test/phpunit/JsonObjectTest.php
+++ b/test/phpunit/JsonObjectTest.php
@@ -1,11 +1,11 @@
 <?php
-namespace Gt\Json\Test;
-use Gt\Json\JsonKvpObject;
-use Gt\Json\JsonPrimitive\JsonBoolPrimitive;
-use Gt\Json\JsonPrimitive\JsonFloatPrimitive;
-use Gt\Json\JsonPrimitive\JsonIntPrimitive;
-use Gt\Json\JsonPrimitive\JsonNullPrimitive;
-use Gt\Json\JsonPrimitive\JsonStringPrimitive;
+namespace GT\Json\Test;
+use GT\Json\JsonKvpObject;
+use GT\Json\JsonPrimitive\JsonBoolPrimitive;
+use GT\Json\JsonPrimitive\JsonFloatPrimitive;
+use GT\Json\JsonPrimitive\JsonIntPrimitive;
+use GT\Json\JsonPrimitive\JsonNullPrimitive;
+use GT\Json\JsonPrimitive\JsonStringPrimitive;
 use PHPUnit\Framework\TestCase;
 
 class JsonObjectTest extends TestCase {
diff --git a/test/phpunit/Schema/JsonDocumentTest.php b/test/phpunit/Schema/JsonDocumentTest.php
index 9ad57f4..caaffc0 100644
--- a/test/phpunit/Schema/JsonDocumentTest.php
+++ b/test/phpunit/Schema/JsonDocumentTest.php
@@ -1,12 +1,12 @@
 <?php
-namespace Gt\Json\Test\Schema;
-
-use Gt\Json\JsonErrorCustomPropertyNameException;
-use Gt\Json\JsonErrorStateException;
-use Gt\Json\JsonObjectBuilder;
-use Gt\Json\JsonPrimitive\JsonArrayPrimitive;
-use Gt\Json\JsonPrimitive\JsonStringPrimitive;
-use Gt\Json\Schema\JsonDocument;
+namespace GT\Json\Test\Schema;
+
+use GT\Json\JsonErrorCustomPropertyNameException;
+use GT\Json\JsonErrorStateException;
+use GT\Json\JsonObjectBuilder;
+use GT\Json\JsonPrimitive\JsonArrayPrimitive;
+use GT\Json\JsonPrimitive\JsonStringPrimitive;
+use GT\Json\Schema\JsonDocument;
 use PHPUnit\Framework\TestCase;
 
 class JsonDocumentTest extends TestCase {
diff --git a/test/phpunit/Schema/ValidationErrorTest.php b/test/phpunit/Schema/ValidationErrorTest.php
index 25a92da..7fc8e4d 100644
--- a/test/phpunit/Schema/ValidationErrorTest.php
+++ b/test/phpunit/Schema/ValidationErrorTest.php
@@ -1,8 +1,8 @@
 <?php
-namespace Gt\Json\Test\Schema;
+namespace GT\Json\Test\Schema;
 
-use Gt\Json\JsonKvpObject;
-use Gt\Json\Schema\ValidationError;
+use GT\Json\JsonKvpObject;
+use GT\Json\Schema\ValidationError;
 use PHPUnit\Framework\TestCase;
 
 class ValidationErrorTest extends TestCase {
diff --git a/test/phpunit/Schema/ValidatorTest.php b/test/phpunit/Schema/ValidatorTest.php
index bb06a80..4d98cb0 100644
--- a/test/phpunit/Schema/ValidatorTest.php
+++ b/test/phpunit/Schema/ValidatorTest.php
@@ -1,11 +1,11 @@
 <?php
-namespace Gt\Json\Test\Schema;
+namespace GT\Json\Test\Schema;
 
-use Gt\Json\JsonObjectBuilder;
-use Gt\Json\JsonPrimitive\JsonStringPrimitive;
-use Gt\Json\Schema\ValidationError;
-use Gt\Json\Schema\ValidationSuccess;
-use Gt\Json\Schema\Validator;
+use GT\Json\JsonObjectBuilder;
+use GT\Json\JsonPrimitive\JsonStringPrimitive;
+use GT\Json\Schema\ValidationError;
+use GT\Json\Schema\ValidationSuccess;
+use GT\Json\Schema\Validator;
 use PHPUnit\Framework\TestCase;
 use Throwable;