Actualización

vendor/symfony/dependency-injection/Tests/Fixtures/yaml/services8.yml

@@ -0,0 +1,29 @@
+parameters:
+    foo: '%baz%'
+    baz: bar
+    bar: 'foo is %%foo bar'
+    escape: '@@escapeme'
+    values: [true, false, null, 0, 1000.3, 'true', 'false', 'null']
+    null string: 'null'
+    string of digits: '123'
+    string of digits prefixed with minus character: '-123'
+    true string: 'true'
+    false string: 'false'
+    binary number string: '0b0110'
+    numeric string: '-1.2E2'
+    hexadecimal number string: '0xFF'
+    float string: '10100.1'
+    positive float string: '+10100.1'
+    negative float string: '-10100.1'
+
+services:
+    service_container:
+        class: Symfony\Component\DependencyInjection\ContainerInterface
+        public: true
+        synthetic: true
+    Psr\Container\ContainerInterface:
+        alias: service_container
+        public: false
+    Symfony\Component\DependencyInjection\ContainerInterface:
+        alias: service_container
+        public: false