Rename plugins to libs and update all file references

libs/vendor/php-di/invoker/src/ParameterResolver/DefaultValueResolver.php

@@ -0,0 +1,43 @@
+<?php declare(strict_types=1);
+
+namespace Invoker\ParameterResolver;
+
+use ReflectionException;
+use ReflectionFunctionAbstract;
+
+/**
+ * Finds the default value for a parameter, *if it exists*.
+ */
+class DefaultValueResolver implements ParameterResolver
+{
+    public function getParameters(
+        ReflectionFunctionAbstract $reflection,
+        array $providedParameters,
+        array $resolvedParameters
+    ): array {
+        $parameters = $reflection->getParameters();
+
+        // Skip parameters already resolved
+        if (! empty($resolvedParameters)) {
+            $parameters = array_diff_key($parameters, $resolvedParameters);
+        }
+
+        foreach ($parameters as $index => $parameter) {
+            \assert($parameter instanceof \ReflectionParameter);
+            if ($parameter->isDefaultValueAvailable()) {
+                try {
+                    $resolvedParameters[$index] = $parameter->getDefaultValue();
+                } catch (ReflectionException $e) {
+                    // Can't get default values from PHP internal classes and functions
+                }
+            } else {
+                $parameterType = $parameter->getType();
+                if ($parameterType && $parameterType->allowsNull()) {
+                    $resolvedParameters[$index] = null;
+                }
+            }
+        }
+
+        return $resolvedParameters;
+    }
+}