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'.$k;\n+            }\n+            if ($type && $p->allowsNull()) {\n+                $k = '?'.$k;\n+            }\n+\n+            try {\n+                $k .= ' = '.$this->dumpValue($p->getDefaultValue(), false);\n+                if ($type && $p->allowsNull() && null === $p->getDefaultValue()) {\n+                    $k = substr($k, 1);\n+                }\n+            } catch (\\ReflectionException $e) {\n+                if ($type && $p->allowsNull() && !class_exists('ReflectionNamedType', false)) {\n+                    $k .= ' = null';\n+                    $k = substr($k, 1);\n+                }\n+            }\n+\n+            $signature[] = $k;\n+        }\n+\n+        $signature = ($r->returnsReference() ? '&(' : '(').implode(', ', $signature).')';\n+\n+        if (method_exists($r, 'getReturnType') && $type = $r->getReturnType()) {\n+            $signature .= ': '.($type->allowsNull() ? 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