diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c83b237..58d00b0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,3 +18,5 @@ jobs:
         with:
           configuration: "phpunit.xml"
           memory_limit: "256M"
+          version: "10"
+          php_version: "8.3"
diff --git a/composer.json b/composer.json
index 39b6c63..fe2a3cd 100644
--- a/composer.json
+++ b/composer.json
@@ -20,16 +20,16 @@
         }
     ],
     "require": {
-        "php": ">=8.0",
+        "php": ">=8.1",
         "ext-curl": "*",
         "ext-json": "*",
         "ext-mbstring": "*",
-        "guzzlehttp/guzzle": "^7.9.2",
-        "guzzlehttp/psr7": "^2.7.0",
+        "guzzlehttp/guzzle": "^7.12.1",
+        "guzzlehttp/psr7": "^2.12.1",
         "open-feature/sdk": "^2.0.10"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.5.45",
+        "phpunit/phpunit": "^10.5.62",
         "friendsofphp/php-cs-fixer": "^v3.71.0"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 21d52e2..8078362 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,29 +4,30 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "da67f086a90d3204222c91bff555d821",
+    "content-hash": "4aff8fce8e8eac1708b3f4d4dbf3462e",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.9.2",
+            "version": "7.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "d281ed313b989f213357e3be1a179f02196ac99b"
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/d281ed313b989f213357e3be1a179f02196ac99b",
-                "reference": "d281ed313b989f213357e3be1a179f02196ac99b",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/55901a76dfd2006a0cc012b9e3c5b487f796478d",
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d",
                 "shasum": ""
             },
             "require": {
                 "ext-json": "*",
-                "guzzlehttp/promises": "^1.5.3 || ^2.0.3",
-                "guzzlehttp/psr7": "^2.7.0",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.3",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
@@ -35,8 +36,9 @@
                 "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
                 "guzzle/client-integration-tests": "3.0.2",
+                "guzzlehttp/test-server": "^0.6",
                 "php-http/message-factory": "^1.1",
-                "phpunit/phpunit": "^8.5.39 || ^9.6.20",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
             },
             "suggest": {
@@ -114,7 +116,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.9.2"
+                "source": "https://github.com/guzzle/guzzle/tree/7.13.1"
             },
             "funding": [
                 {
@@ -130,28 +132,29 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-07-24T11:22:20+00:00"
+            "time": "2026-06-29T20:14:18+00:00"
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "2.0.4",
+            "version": "2.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "f9c436286ab2892c7db7be8c8da4ef61ccf7b455"
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/f9c436286ab2892c7db7be8c8da4ef61ccf7b455",
-                "reference": "f9c436286ab2892c7db7be8c8da4ef61ccf7b455",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/4360e982f87f5f258bf872d094647791db2f4c8e",
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2.5 || ^8.0"
+                "php": "^7.2.5 || ^8.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0"
             },
             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
-                "phpunit/phpunit": "^8.5.39 || ^9.6.20"
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
             },
             "type": "library",
             "extra": {
@@ -197,7 +200,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/2.0.4"
+                "source": "https://github.com/guzzle/promises/tree/2.5.0"
             },
             "funding": [
                 {
@@ -213,27 +216,29 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-10-17T10:06:22+00:00"
+            "time": "2026-06-02T12:23:43+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.7.0",
+            "version": "2.12.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "a70f5c95fb43bc83f07c9c948baa0dc1829bf201"
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/a70f5c95fb43bc83f07c9c948baa0dc1829bf201",
-                "reference": "a70f5c95fb43bc83f07c9c948baa0dc1829bf201",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-factory": "^1.0",
                 "psr/http-message": "^1.1 || ^2.0",
-                "ralouphie/getallheaders": "^3.0"
+                "ralouphie/getallheaders": "^3.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
             },
             "provide": {
                 "psr/http-factory-implementation": "1.0",
@@ -241,8 +246,9 @@
             },
             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
-                "http-interop/http-factory-tests": "0.9.0",
-                "phpunit/phpunit": "^8.5.39 || ^9.6.20"
+                "http-interop/http-factory-tests": "1.1.0",
+                "jshttp/mime-db": "1.54.0.1",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
             },
             "suggest": {
                 "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
@@ -313,7 +319,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.7.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.3"
             },
             "funding": [
                 {
@@ -329,7 +335,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-07-18T11:15:46+00:00"
+            "time": "2026-06-23T15:21:08+00:00"
         },
         {
             "name": "myclabs/php-enum",
@@ -728,16 +734,16 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v3.5.1",
+            "version": "v3.7.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "74c71c939a79f7d5bf3c1ce9f5ea37ba0114c6f6"
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d"
             },
             "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/f3202fa1b5097b0af062dc978b32ecf63404e31d",
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d",
                 "shasum": ""
             },
             "require": {
@@ -750,7 +756,7 @@
                     "name": "symfony/contracts"
                 },
                 "branch-alias": {
-                    "dev-main": "3.5-dev"
+                    "dev-main": "3.7-dev"
                 }
             },
             "autoload": {
@@ -775,7 +781,7 @@
             "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/v3.7.1"
             },
             "funding": [
                 {
@@ -786,12 +792,100 @@
                     "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": "2026-06-05T06:23:12+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php80",
+            "version": "v1.37.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php80.git",
+                "reference": "dfb55726c3a76ea3b6459fcfda1ec2d80a682411"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/dfb55726c3a76ea3b6459fcfda1ec2d80a682411",
+                "reference": "dfb55726c3a76ea3b6459fcfda1ec2d80a682411",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php80\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ion Bazan",
+                    "email": "ion.bazan@gmail.com"
+                },
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php80/tree/v1.37.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "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": "2026-04-10T16:19:22+00:00"
         }
     ],
     "packages-dev": [
@@ -1298,16 +1392,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.13.0",
+            "version": "1.13.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "024473a478be9df5fdaca2c793f2232fe788e414"
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/024473a478be9df5fdaca2c793f2232fe788e414",
-                "reference": "024473a478be9df5fdaca2c793f2232fe788e414",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/07d290f0c47959fd5eed98c95ee5602db07e0b6a",
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a",
                 "shasum": ""
             },
             "require": {
@@ -1346,7 +1440,7 @@
             ],
             "support": {
                 "issues": "https://github.com/myclabs/DeepCopy/issues",
-                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.0"
+                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.4"
             },
             "funding": [
                 {
@@ -1354,20 +1448,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-12T12:17:51+00:00"
+            "time": "2025-08-01T08:46:24+00:00"
         },
         {
             "name": "nikic/php-parser",
-            "version": "v5.4.0",
+            "version": "v5.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494"
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/447a020a1f875a434d62f2a401f53b82a396e494",
-                "reference": "447a020a1f875a434d62f2a401f53b82a396e494",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/dca41cd15c2ac9d055ad70dbfd011130757d1f82",
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82",
                 "shasum": ""
             },
             "require": {
@@ -1386,7 +1480,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.0-dev"
+                    "dev-master": "5.x-dev"
                 }
             },
             "autoload": {
@@ -1410,9 +1504,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v5.4.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.7.0"
             },
-            "time": "2024-12-30T11:07:19+00:00"
+            "time": "2025-12-06T11:56:16+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -1855,16 +1949,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.45",
+            "version": "10.5.63",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8"
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bd68a781d8e30348bc297449f5234b3458267ae8",
-                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/33198268dad71e926626b618f3ec3966661e4d90",
+                "reference": "33198268dad71e926626b618f3ec3966661e4d90",
                 "shasum": ""
             },
             "require": {
@@ -1874,7 +1968,7 @@
                 "ext-mbstring": "*",
                 "ext-xml": "*",
                 "ext-xmlwriter": "*",
-                "myclabs/deep-copy": "^1.12.1",
+                "myclabs/deep-copy": "^1.13.4",
                 "phar-io/manifest": "^2.0.4",
                 "phar-io/version": "^3.2.1",
                 "php": ">=8.1",
@@ -1885,13 +1979,13 @@
                 "phpunit/php-timer": "^6.0.0",
                 "sebastian/cli-parser": "^2.0.1",
                 "sebastian/code-unit": "^2.0.0",
-                "sebastian/comparator": "^5.0.3",
+                "sebastian/comparator": "^5.0.5",
                 "sebastian/diff": "^5.1.1",
                 "sebastian/environment": "^6.1.0",
-                "sebastian/exporter": "^5.1.2",
+                "sebastian/exporter": "^5.1.4",
                 "sebastian/global-state": "^6.0.2",
                 "sebastian/object-enumerator": "^5.0.0",
-                "sebastian/recursion-context": "^5.0.0",
+                "sebastian/recursion-context": "^5.0.1",
                 "sebastian/type": "^4.0.0",
                 "sebastian/version": "^4.0.1"
             },
@@ -1936,7 +2030,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.45"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.63"
             },
             "funding": [
                 {
@@ -1947,12 +2041,20 @@
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
                 },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/phpunit/phpunit",
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-02-06T16:08:12+00:00"
+            "time": "2026-01-27T05:48:37+00:00"
         },
         {
             "name": "psr/container",
@@ -2753,16 +2855,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "5.0.3",
+            "version": "5.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e"
+                "reference": "55dfef806eb7dfeb6e7a6935601fef866f8ca48d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
-                "reference": "a18251eb0b7a2dcd2f7aa3d6078b18545ef0558e",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/55dfef806eb7dfeb6e7a6935601fef866f8ca48d",
+                "reference": "55dfef806eb7dfeb6e7a6935601fef866f8ca48d",
                 "shasum": ""
             },
             "require": {
@@ -2818,15 +2920,27 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/comparator/issues",
                 "security": "https://github.com/sebastianbergmann/comparator/security/policy",
-                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.3"
+                "source": "https://github.com/sebastianbergmann/comparator/tree/5.0.5"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
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-            "time": "2024-10-18T14:56:07+00:00"
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@@ -3019,16 +3133,16 @@
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-            "version": "5.1.2",
+            "version": "5.1.4",
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                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "955288482d97c19a372d3f31006ab3f37da47adf"
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-                "reference": "955288482d97c19a372d3f31006ab3f37da47adf",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/0735b90f4da94969541dac1da743446e276defa6",
+                "reference": "0735b90f4da94969541dac1da743446e276defa6",
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@@ -3037,7 +3151,7 @@
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             },
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-                "phpunit/phpunit": "^10.0"
+                "phpunit/phpunit": "^10.5"
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@@ -3085,15 +3199,27 @@
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                 "security": "https://github.com/sebastianbergmann/exporter/security/policy",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.2"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/5.1.4"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/exporter",
+                    "type": "tidelift"
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-            "time": "2024-03-02T07:17:12+00:00"
+            "time": "2025-09-24T06:09:11+00:00"
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@@ -3329,23 +3455,23 @@
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-            "version": "5.0.0",
+            "version": "5.0.1",
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                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "05909fb5bc7df4c52992396d0116aed689f93712"
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-                "reference": "05909fb5bc7df4c52992396d0116aed689f93712",
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-                "phpunit/phpunit": "^10.0"
+                "phpunit/phpunit": "^10.5"
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@@ -3380,15 +3506,28 @@
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                 "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
-                "source": "https://github.com/sebastianbergmann/recursion-context/tree/5.0.0"
+                "security": "https://github.com/sebastianbergmann/recursion-context/security/policy",
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/5.0.1"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/recursion-context",
+                    "type": "tidelift"
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-            "time": "2023-02-03T07:05:40+00:00"
+            "time": "2025-08-10T07:50:56+00:00"
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@@ -4263,86 +4402,6 @@
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-                "url": "https://github.com/symfony/polyfill-php80.git",
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-            "type": "library",
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-                "psr-4": {
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-                "classmap": [
-                    "Resources/stubs"
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-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Ion Bazan",
-                    "email": "ion.bazan@gmail.com"
-                },
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-php80/tree/v1.31.0"
-            },
-            "funding": [
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-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
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-            "time": "2024-09-09T11:45:10+00:00"
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@@ -4714,16 +4773,16 @@
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-            "version": "1.2.3",
+            "version": "1.3.1",
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                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2"
+                "reference": "b7489ce515e168639d17feec34b8847c326b0b3c"
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-                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/b7489ce515e168639d17feec34b8847c326b0b3c",
+                "reference": "b7489ce515e168639d17feec34b8847c326b0b3c",
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@@ -4752,7 +4811,7 @@
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             "support": {
                 "issues": "https://github.com/theseer/tokenizer/issues",
-                "source": "https://github.com/theseer/tokenizer/tree/1.2.3"
+                "source": "https://github.com/theseer/tokenizer/tree/1.3.1"
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@@ -4760,7 +4819,7 @@
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                 }
             ],
-            "time": "2024-03-03T12:36:25+00:00"
+            "time": "2025-11-17T20:03:58+00:00"
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@@ -4775,5 +4834,5 @@
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-    "plugin-api-version": "2.6.0"
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 }
diff --git a/examples/hello-world-http-proxy/composer.lock b/examples/hello-world-http-proxy/composer.lock
index 1d05be3..29e421b 100644
--- a/examples/hello-world-http-proxy/composer.lock
+++ b/examples/hello-world-http-proxy/composer.lock
@@ -8,30 +8,30 @@
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-            "version": "2.0.1",
+            "version": "2.2.1",
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                 "url": "https://github.com/DevCycleHQ/php-server-sdk.git",
-                "reference": "d251cb04bb89c1e323083d2967bcdef374dfc663"
+                "reference": "feb0af2458f5edf02e1810472b55fa80f3e6645f"
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-                "reference": "d251cb04bb89c1e323083d2967bcdef374dfc663",
+                "url": "https://api.github.com/repos/DevCycleHQ/php-server-sdk/zipball/feb0af2458f5edf02e1810472b55fa80f3e6645f",
+                "reference": "feb0af2458f5edf02e1810472b55fa80f3e6645f",
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                 "ext-mbstring": "*",
-                "guzzlehttp/guzzle": "^7.3",
-                "guzzlehttp/psr7": "^2.0",
-                "open-feature/sdk": "^2.0",
+                "guzzlehttp/guzzle": "^7.9.2",
+                "guzzlehttp/psr7": "^2.7.0",
+                "open-feature/sdk": "^2.0.10",
                 "php": ">=8.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^v3.49.0",
-                "phpunit/phpunit": "^10.5.10"
+                "friendsofphp/php-cs-fixer": "^v3.71.0",
+                "phpunit/phpunit": "^10.5.45"
             },
             "type": "library",
             "autoload": {
@@ -62,41 +62,43 @@
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                 "issues": "https://github.com/DevCycleHQ/php-server-sdk/issues",
-                "source": "https://github.com/DevCycleHQ/php-server-sdk/tree/v2.0.1"
+                "source": "https://github.com/DevCycleHQ/php-server-sdk/tree/v2.2.1"
             },
-            "time": "2024-02-07T16:30:25+00:00"
+            "time": "2025-08-20T15:38:17+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.8.0",
+            "version": "7.13.1",
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                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "1110f66a6530a40fe7aea0378fe608ee2b2248f9"
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d"
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-                "reference": "1110f66a6530a40fe7aea0378fe608ee2b2248f9",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/55901a76dfd2006a0cc012b9e3c5b487f796478d",
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d",
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                 "ext-json": "*",
-                "guzzlehttp/promises": "^1.5.3 || ^2.0.1",
-                "guzzlehttp/psr7": "^1.9.1 || ^2.5.1",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.3",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
             },
             "provide": {
                 "psr/http-client-implementation": "1.0"
             },
             "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.8.1",
+                "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
-                "php-http/client-integration-tests": "dev-master#2c025848417c1135031fdf9c728ee53d0a7ceaee as 3.0.999",
+                "guzzle/client-integration-tests": "3.0.2",
+                "guzzlehttp/test-server": "^0.6",
                 "php-http/message-factory": "^1.1",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34",
                 "psr/log": "^1.1 || ^2.0 || ^3.0"
             },
             "suggest": {
@@ -174,7 +176,7 @@
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             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.8.0"
+                "source": "https://github.com/guzzle/guzzle/tree/7.13.1"
             },
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                 {
@@ -190,28 +192,29 @@
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                 }
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-            "time": "2023-08-27T10:20:53+00:00"
+            "time": "2026-06-29T20:14:18+00:00"
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "2.0.1",
+            "version": "2.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d"
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e"
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-                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/4360e982f87f5f258bf872d094647791db2f4c8e",
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2.5 || ^8.0"
+                "php": "^7.2.5 || ^8.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0"
             },
             "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.8.1",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23"
+                "bamarni/composer-bin-plugin": "^1.8.2",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
             },
             "type": "library",
             "extra": {
@@ -257,7 +260,7 @@
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             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/2.0.1"
+                "source": "https://github.com/guzzle/promises/tree/2.5.0"
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@@ -273,36 +276,39 @@
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-            "time": "2023-08-03T15:11:55+00:00"
+            "time": "2026-06-02T12:23:43+00:00"
         },
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-            "version": "2.6.1",
+            "version": "2.12.3",
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                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "be45764272e8873c72dbe3d2edcfdfcc3bc9f727"
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d"
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-                "reference": "be45764272e8873c72dbe3d2edcfdfcc3bc9f727",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
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                 "php": "^7.2.5 || ^8.0",
                 "psr/http-factory": "^1.0",
                 "psr/http-message": "^1.1 || ^2.0",
-                "ralouphie/getallheaders": "^3.0"
+                "ralouphie/getallheaders": "^3.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
             },
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-                "bamarni/composer-bin-plugin": "^1.8.1",
-                "http-interop/http-factory-tests": "^0.9",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23"
+                "bamarni/composer-bin-plugin": "^1.8.2",
+                "http-interop/http-factory-tests": "1.1.0",
+                "jshttp/mime-db": "1.54.0.1",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
             },
             "suggest": {
                 "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
@@ -373,7 +379,7 @@
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             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.6.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.3"
             },
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@@ -389,20 +395,20 @@
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-            "time": "2023-08-27T10:13:57+00:00"
+            "time": "2026-06-23T15:21:08+00:00"
         },
         {
             "name": "myclabs/php-enum",
-            "version": "1.8.4",
+            "version": "1.8.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/php-enum.git",
-                "reference": "a867478eae49c9f59ece437ae7f9506bfaa27483"
+                "reference": "e7be26966b7398204a234f8673fdad5ac6277802"
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-                "reference": "a867478eae49c9f59ece437ae7f9506bfaa27483",
+                "url": "https://api.github.com/repos/myclabs/php-enum/zipball/e7be26966b7398204a234f8673fdad5ac6277802",
+                "reference": "e7be26966b7398204a234f8673fdad5ac6277802",
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@@ -412,7 +418,7 @@
             "require-dev": {
                 "phpunit/phpunit": "^9.5",
                 "squizlabs/php_codesniffer": "1.*",
-                "vimeo/psalm": "^4.6.2"
+                "vimeo/psalm": "^4.6.2 || ^5.2"
             },
             "type": "library",
             "autoload": {
@@ -434,13 +440,13 @@
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             ],
             "description": "PHP Enum implementation",
-            "homepage": "http://github.com/myclabs/php-enum",
+            "homepage": "https://github.com/myclabs/php-enum",
             "keywords": [
                 "enum"
             ],
             "support": {
                 "issues": "https://github.com/myclabs/php-enum/issues",
-                "source": "https://github.com/myclabs/php-enum/tree/1.8.4"
+                "source": "https://github.com/myclabs/php-enum/tree/1.8.5"
             },
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@@ -452,20 +458,20 @@
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-            "time": "2022-08-04T09:53:51+00:00"
+            "time": "2025-01-14T11:49:03+00:00"
         },
         {
             "name": "open-feature/sdk",
-            "version": "2.0.4",
+            "version": "2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/open-feature/php-sdk.git",
-                "reference": "a2de465332441b6511c6953cb12e6387be3db442"
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@@ -477,6 +483,7 @@
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                 "php-parallel-lint/php-parallel-lint": "^1.3",
                 "phpstan/extension-installer": "^1.1",
-                "phpstan/phpstan": "~1.10.0",
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                 "psalm/plugin-mockery": "^1.0.0",
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                 "roave/security-advisories": "dev-latest",
                 "spatie/phpunit-snapshot-assertions": "^4.2",
-                "vimeo/psalm": "~5.17.0"
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@@ -528,9 +535,9 @@
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-                "source": "https://github.com/open-feature/php-sdk/tree/2.0.4"
+                "source": "https://github.com/open-feature/php-sdk/tree/2.2.0"
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-            "time": "2023-12-17T13:48:28+00:00"
+            "time": "2026-06-08T13:01:00+00:00"
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@@ -586,20 +593,20 @@
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-            "version": "1.0.2",
+            "version": "1.1.0",
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                 "url": "https://github.com/php-fig/http-factory.git",
-                "reference": "e616d01114759c4c489f93b099585439f795fe35"
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-                "reference": "e616d01114759c4c489f93b099585439f795fe35",
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+                "php": ">=7.1",
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@@ -623,7 +630,7 @@
                     "homepage": "https://www.php-fig.org/"
                 }
             ],
-            "description": "Common interfaces for PSR-7 HTTP message factories",
+            "description": "PSR-17: Common interfaces for PSR-7 HTTP message factories",
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                 "http",
@@ -635,9 +642,9 @@
                 "response"
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-                "source": "https://github.com/php-fig/http-factory/tree/1.0.2"
+                "source": "https://github.com/php-fig/http-factory"
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-            "time": "2023-04-10T20:10:41+00:00"
+            "time": "2024-04-15T12:06:14+00:00"
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@@ -694,16 +701,16 @@
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-            "version": "3.0.0",
+            "version": "3.0.2",
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                 "url": "https://github.com/php-fig/log.git",
-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001"
+                "reference": "f16e1d5863e37f8d8c2a01719f5b34baa2b714d3"
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-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001",
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@@ -738,9 +745,9 @@
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-                "source": "https://github.com/php-fig/log/tree/3.0.0"
+                "source": "https://github.com/php-fig/log/tree/3.0.2"
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-            "time": "2021-07-14T16:46:02+00:00"
+            "time": "2024-09-11T13:17:53+00:00"
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@@ -788,29 +795,29 @@
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-            "version": "v2.5.2",
+            "version": "v3.7.1",
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                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66"
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-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/f3202fa1b5097b0af062dc978b32ecf63404e31d",
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d",
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             "require": {
-                "php": ">=7.1"
+                "php": ">=8.1"
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-                    "dev-main": "2.5-dev"
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-                    "name": "symfony/contracts",
-                    "url": "https://github.com/symfony/contracts"
+                    "url": "https://github.com/symfony/contracts",
+                    "name": "symfony/contracts"
+                },
+                "branch-alias": {
+                    "dev-main": "3.7-dev"
                 }
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@@ -835,7 +842,91 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.2"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.1"
+            },
+            "funding": [
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+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
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+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2026-06-05T06:23:12+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php80",
+            "version": "v1.37.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php80.git",
+                "reference": "dfb55726c3a76ea3b6459fcfda1ec2d80a682411"
+            },
+            "dist": {
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+                "url": "https://api.github.com/repos/symfony/polyfill-php80/zipball/dfb55726c3a76ea3b6459fcfda1ec2d80a682411",
+                "reference": "dfb55726c3a76ea3b6459fcfda1ec2d80a682411",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php80\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ion Bazan",
+                    "email": "ion.bazan@gmail.com"
+                },
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
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             },
             "funding": [
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@@ -846,23 +937,27 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
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+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-01-02T09:53:40+00:00"
+            "time": "2026-04-10T16:19:22+00:00"
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     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
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     "platform": {
         "php": "^8.0"
     },
-    "platform-dev": [],
-    "plugin-api-version": "2.3.0"
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diff --git a/examples/hello-world-udp-proxy/composer.lock b/examples/hello-world-udp-proxy/composer.lock
index 1d05be3..29e421b 100644
--- a/examples/hello-world-udp-proxy/composer.lock
+++ b/examples/hello-world-udp-proxy/composer.lock
@@ -8,30 +8,30 @@
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+            "version": "2.2.1",
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                 "url": "https://github.com/DevCycleHQ/php-server-sdk.git",
-                "reference": "d251cb04bb89c1e323083d2967bcdef374dfc663"
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-                "reference": "d251cb04bb89c1e323083d2967bcdef374dfc663",
+                "url": "https://api.github.com/repos/DevCycleHQ/php-server-sdk/zipball/feb0af2458f5edf02e1810472b55fa80f3e6645f",
+                "reference": "feb0af2458f5edf02e1810472b55fa80f3e6645f",
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                 "ext-mbstring": "*",
-                "guzzlehttp/guzzle": "^7.3",
-                "guzzlehttp/psr7": "^2.0",
-                "open-feature/sdk": "^2.0",
+                "guzzlehttp/guzzle": "^7.9.2",
+                "guzzlehttp/psr7": "^2.7.0",
+                "open-feature/sdk": "^2.0.10",
                 "php": ">=8.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^v3.49.0",
-                "phpunit/phpunit": "^10.5.10"
+                "friendsofphp/php-cs-fixer": "^v3.71.0",
+                "phpunit/phpunit": "^10.5.45"
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@@ -62,41 +62,43 @@
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                 "issues": "https://github.com/DevCycleHQ/php-server-sdk/issues",
-                "source": "https://github.com/DevCycleHQ/php-server-sdk/tree/v2.0.1"
+                "source": "https://github.com/DevCycleHQ/php-server-sdk/tree/v2.2.1"
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-            "time": "2024-02-07T16:30:25+00:00"
+            "time": "2025-08-20T15:38:17+00:00"
         },
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-            "version": "7.8.0",
+            "version": "7.13.1",
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                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "1110f66a6530a40fe7aea0378fe608ee2b2248f9"
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d"
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-                "guzzlehttp/psr7": "^1.9.1 || ^2.5.1",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.3",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
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             "provide": {
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             },
             "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.8.1",
+                "bamarni/composer-bin-plugin": "^1.8.2",
                 "ext-curl": "*",
-                "php-http/client-integration-tests": "dev-master#2c025848417c1135031fdf9c728ee53d0a7ceaee as 3.0.999",
+                "guzzle/client-integration-tests": "3.0.2",
+                "guzzlehttp/test-server": "^0.6",
                 "php-http/message-factory": "^1.1",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34",
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@@ -174,7 +176,7 @@
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             "support": {
                 "issues": "https://github.com/guzzle/guzzle/issues",
-                "source": "https://github.com/guzzle/guzzle/tree/7.8.0"
+                "source": "https://github.com/guzzle/guzzle/tree/7.13.1"
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@@ -190,28 +192,29 @@
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-            "time": "2023-08-27T10:20:53+00:00"
+            "time": "2026-06-29T20:14:18+00:00"
         },
         {
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-            "version": "2.0.1",
+            "version": "2.5.0",
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                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d"
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e"
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-                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/4360e982f87f5f258bf872d094647791db2f4c8e",
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e",
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             },
             "require": {
-                "php": "^7.2.5 || ^8.0"
+                "php": "^7.2.5 || ^8.0",
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             },
             "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.8.1",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23"
+                "bamarni/composer-bin-plugin": "^1.8.2",
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@@ -257,7 +260,7 @@
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-                "source": "https://github.com/guzzle/promises/tree/2.0.1"
+                "source": "https://github.com/guzzle/promises/tree/2.5.0"
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@@ -273,36 +276,39 @@
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-            "time": "2023-08-03T15:11:55+00:00"
+            "time": "2026-06-02T12:23:43+00:00"
         },
         {
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-            "version": "2.6.1",
+            "version": "2.12.3",
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                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "be45764272e8873c72dbe3d2edcfdfcc3bc9f727"
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                 "psr/http-factory": "^1.0",
                 "psr/http-message": "^1.1 || ^2.0",
-                "ralouphie/getallheaders": "^3.0"
+                "ralouphie/getallheaders": "^3.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
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-                "http-interop/http-factory-tests": "^0.9",
-                "phpunit/phpunit": "^8.5.29 || ^9.5.23"
+                "bamarni/composer-bin-plugin": "^1.8.2",
+                "http-interop/http-factory-tests": "1.1.0",
+                "jshttp/mime-db": "1.54.0.1",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
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             "suggest": {
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@@ -373,7 +379,7 @@
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-                "source": "https://github.com/guzzle/psr7/tree/2.6.1"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.3"
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@@ -389,20 +395,20 @@
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-            "time": "2023-08-27T10:13:57+00:00"
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-            "version": "1.8.4",
+            "version": "1.8.5",
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                 "url": "https://github.com/myclabs/php-enum.git",
-                "reference": "a867478eae49c9f59ece437ae7f9506bfaa27483"
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@@ -412,7 +418,7 @@
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                 "squizlabs/php_codesniffer": "1.*",
-                "vimeo/psalm": "^4.6.2"
+                "vimeo/psalm": "^4.6.2 || ^5.2"
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@@ -434,13 +440,13 @@
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             "description": "PHP Enum implementation",
-            "homepage": "http://github.com/myclabs/php-enum",
+            "homepage": "https://github.com/myclabs/php-enum",
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                 "enum"
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             "support": {
                 "issues": "https://github.com/myclabs/php-enum/issues",
-                "source": "https://github.com/myclabs/php-enum/tree/1.8.4"
+                "source": "https://github.com/myclabs/php-enum/tree/1.8.5"
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@@ -452,20 +458,20 @@
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-            "time": "2022-08-04T09:53:51+00:00"
+            "time": "2025-01-14T11:49:03+00:00"
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-            "version": "2.0.4",
+            "version": "2.2.0",
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                 "url": "https://github.com/open-feature/php-sdk.git",
-                "reference": "a2de465332441b6511c6953cb12e6387be3db442"
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@@ -477,6 +483,7 @@
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                 "php-parallel-lint/php-parallel-lint": "^1.3",
                 "phpstan/extension-installer": "^1.1",
-                "phpstan/phpstan": "~1.10.0",
+                "phpstan/phpstan": "~1.12.0",
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                 "phpstan/phpstan-phpunit": "^1.1",
                 "psalm/plugin-mockery": "^1.0.0",
-                "psalm/plugin-phpunit": "^0.18.0",
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                 "roave/security-advisories": "dev-latest",
                 "spatie/phpunit-snapshot-assertions": "^4.2",
-                "vimeo/psalm": "~5.17.0"
+                "vimeo/psalm": "~5.26.0"
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@@ -528,9 +535,9 @@
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-                "source": "https://github.com/open-feature/php-sdk/tree/2.0.4"
+                "source": "https://github.com/open-feature/php-sdk/tree/2.2.0"
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-            "time": "2023-12-17T13:48:28+00:00"
+            "time": "2026-06-08T13:01:00+00:00"
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@@ -586,20 +593,20 @@
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-            "version": "1.0.2",
+            "version": "1.1.0",
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                 "type": "git",
                 "url": "https://github.com/php-fig/http-factory.git",
-                "reference": "e616d01114759c4c489f93b099585439f795fe35"
+                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a"
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-                "reference": "e616d01114759c4c489f93b099585439f795fe35",
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+                "reference": "2b4765fddfe3b508ac62f829e852b1501d3f6e8a",
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-                "php": ">=7.0.0",
+                "php": ">=7.1",
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@@ -623,7 +630,7 @@
                     "homepage": "https://www.php-fig.org/"
                 }
             ],
-            "description": "Common interfaces for PSR-7 HTTP message factories",
+            "description": "PSR-17: Common interfaces for PSR-7 HTTP message factories",
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                 "factory",
                 "http",
@@ -635,9 +642,9 @@
                 "response"
             ],
             "support": {
-                "source": "https://github.com/php-fig/http-factory/tree/1.0.2"
+                "source": "https://github.com/php-fig/http-factory"
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-            "time": "2023-04-10T20:10:41+00:00"
+            "time": "2024-04-15T12:06:14+00:00"
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@@ -694,16 +701,16 @@
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-            "version": "3.0.0",
+            "version": "3.0.2",
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                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001"
+                "reference": "f16e1d5863e37f8d8c2a01719f5b34baa2b714d3"
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-                "reference": "fe5ea303b0887d5caefd3d431c3e61ad47037001",
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@@ -738,9 +745,9 @@
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-                "source": "https://github.com/php-fig/log/tree/3.0.0"
+                "source": "https://github.com/php-fig/log/tree/3.0.2"
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-            "time": "2021-07-14T16:46:02+00:00"
+            "time": "2024-09-11T13:17:53+00:00"
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@@ -788,29 +795,29 @@
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-            "version": "v2.5.2",
+            "version": "v3.7.1",
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                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66"
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-                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/f3202fa1b5097b0af062dc978b32ecf63404e31d",
+                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d",
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             "require": {
-                "php": ">=7.1"
+                "php": ">=8.1"
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-                    "dev-main": "2.5-dev"
-                },
                 "thanks": {
-                    "name": "symfony/contracts",
-                    "url": "https://github.com/symfony/contracts"
+                    "url": "https://github.com/symfony/contracts",
+                    "name": "symfony/contracts"
+                },
+                "branch-alias": {
+                    "dev-main": "3.7-dev"
                 }
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@@ -835,7 +842,91 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.2"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.1"
+            },
+            "funding": [
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+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
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+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
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+                    "type": "tidelift"
+                }
+            ],
+            "time": "2026-06-05T06:23:12+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php80",
+            "version": "v1.37.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php80.git",
+                "reference": "dfb55726c3a76ea3b6459fcfda1ec2d80a682411"
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+                "shasum": ""
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+            "require": {
+                "php": ">=7.2"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php80\\": ""
+                },
+                "classmap": [
+                    "Resources/stubs"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ion Bazan",
+                    "email": "ion.bazan@gmail.com"
+                },
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
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             },
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@@ -846,23 +937,27 @@
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+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
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                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
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-            "time": "2022-01-02T09:53:40+00:00"
+            "time": "2026-04-10T16:19:22+00:00"
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     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
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-    "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "platform-dev": {},
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diff --git a/examples/hello-world/composer.lock b/examples/hello-world/composer.lock
index a2b7980..1d95314 100644
--- a/examples/hello-world/composer.lock
+++ b/examples/hello-world/composer.lock
@@ -8,24 +8,24 @@
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                 "url": "../..",
-                "reference": "42b3af1d9edcdd8436eac245e946d804f55f956e"
+                "reference": "1aee4e9036728a817cc53773393789050e0df8ac"
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                 "ext-json": "*",
                 "ext-mbstring": "*",
-                "guzzlehttp/guzzle": "^7.3",
-                "guzzlehttp/psr7": "^2.0",
-                "open-feature/sdk": "^2.0",
+                "guzzlehttp/guzzle": "^7.12.1",
+                "guzzlehttp/psr7": "^2.12.1",
+                "open-feature/sdk": "^2.0.10",
                 "php": ">=8.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^v3.16.0",
-                "phpunit/phpunit": "^8.0 || ^9.0"
+                "friendsofphp/php-cs-fixer": "^v3.71.0",
+                "phpunit/phpunit": "^10.5.62"
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@@ -47,8 +47,8 @@
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             ],
-            "description": "Documents the DevCycle Bucketing API which provides and API interface to User Bucketing and for generated SDKs.",
-            "homepage": "https://openapi-generator.tech",
+            "description": "DevCycle PHP Server SDK",
+            "homepage": "https://devcycle.com",
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                 "api",
                 "openapi",
@@ -64,25 +64,26 @@
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+            "version": "7.13.1",
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                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "41042bc7ab002487b876a0683fc8dce04ddce104"
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-                "reference": "41042bc7ab002487b876a0683fc8dce04ddce104",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/55901a76dfd2006a0cc012b9e3c5b487f796478d",
+                "reference": "55901a76dfd2006a0cc012b9e3c5b487f796478d",
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-                "guzzlehttp/promises": "^1.5.3 || ^2.0.1",
-                "guzzlehttp/psr7": "^1.9.1 || ^2.5.1",
+                "guzzlehttp/promises": "^2.5",
+                "guzzlehttp/psr7": "^2.12.3",
                 "php": "^7.2.5 || ^8.0",
                 "psr/http-client": "^1.0",
-                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
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@@ -90,9 +91,10 @@
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+                "guzzle/client-integration-tests": "3.0.2",
+                "guzzlehttp/test-server": "^0.6",
                 "php-http/message-factory": "^1.1",
-                "phpunit/phpunit": "^8.5.36 || ^9.6.15",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34",
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@@ -170,7 +172,7 @@
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-                "source": "https://github.com/guzzle/guzzle/tree/7.8.1"
+                "source": "https://github.com/guzzle/guzzle/tree/7.13.1"
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@@ -186,28 +188,29 @@
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-            "time": "2023-12-03T20:35:24+00:00"
+            "time": "2026-06-29T20:14:18+00:00"
         },
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-            "version": "2.0.2",
+            "version": "2.5.0",
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                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "bbff78d96034045e58e13dedd6ad91b5d1253223"
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e"
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-                "reference": "bbff78d96034045e58e13dedd6ad91b5d1253223",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/4360e982f87f5f258bf872d094647791db2f4c8e",
+                "reference": "4360e982f87f5f258bf872d094647791db2f4c8e",
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             },
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-                "php": "^7.2.5 || ^8.0"
+                "php": "^7.2.5 || ^8.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0"
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             "require-dev": {
                 "bamarni/composer-bin-plugin": "^1.8.2",
-                "phpunit/phpunit": "^8.5.36 || ^9.6.15"
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
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@@ -253,7 +256,7 @@
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-                "source": "https://github.com/guzzle/promises/tree/2.0.2"
+                "source": "https://github.com/guzzle/promises/tree/2.5.0"
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@@ -269,27 +272,29 @@
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-            "time": "2023-12-03T20:19:20+00:00"
+            "time": "2026-06-02T12:23:43+00:00"
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-            "version": "2.6.2",
+            "version": "2.12.3",
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                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "45b30f99ac27b5ca93cb4831afe16285f57b8221"
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d"
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-                "reference": "45b30f99ac27b5ca93cb4831afe16285f57b8221",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
+                "reference": "7ec62dc3f44aa218487dbed81a9bf9bc647be55d",
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                 "psr/http-message": "^1.1 || ^2.0",
-                "ralouphie/getallheaders": "^3.0"
+                "ralouphie/getallheaders": "^3.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
+                "symfony/polyfill-php80": "^1.25"
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@@ -297,8 +302,9 @@
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-                "phpunit/phpunit": "^8.5.36 || ^9.6.15"
+                "http-interop/http-factory-tests": "1.1.0",
+                "jshttp/mime-db": "1.54.0.1",
+                "phpunit/phpunit": "^8.5.52 || ^9.6.34"
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             "suggest": {
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@@ -369,7 +375,7 @@
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                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.6.2"
+                "source": "https://github.com/guzzle/psr7/tree/2.12.3"
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@@ -385,20 +391,20 @@
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