update class definitions to match php-code-coverage 6.0

Author: ek9

src/Common/Driver/HHVM.php

@@ -36,7 +36,7 @@ public function __construct()
     /**
      * {@inheritdoc}
      */
-    public function start($determineUnusedAndDead = true): void
+    public function start(bool $determineUnusedAndDead = true): void
     {
         fb_enable_code_coverage();
     }

src/Common/Driver/Stub.php

@@ -43,7 +43,7 @@ public function getDriver()
     /**
      * {@inheritdoc}
      */
-    public function start($determineUnusedAndDead = true): void
+    public function start(bool $determineUnusedAndDead = true): void
     {
         if ($this->driver) {
             $this->driver->start();

src/Common/Driver/XCache.php

@@ -41,7 +41,7 @@ public function __construct()
     /**
      * {@inheritdoc}
      */
-    public function start($determineUnusedAndDead = true): void
+    public function start(bool $determineUnusedAndDead = true): void
     {
         xcache_coverager_start();
     }

src/Driver/Proxy.php

@@ -40,7 +40,7 @@ public function addDriver(DriverInterface $driver = null)
     /**
      * {@inheritdoc}
      */
-    public function start($determineUnusedAndDead = true): void
+    public function start(bool $determineUnusedAndDead = true): void
     {
         foreach ($this->drivers as $driver) {
             $driver->start($determineUnusedAndDead);

src/Driver/RemoteXdebug.php

@@ -67,7 +67,7 @@ public function __construct(array $config, Client $client)
     /**
      * {@inheritdoc}
      */
-    public function start($determineUnusedAndDead = true): void
+    public function start(bool $determineUnusedAndDead = true): void
     {
         $response = $this->sendRequest('create');
 

tests/Common/Driver/FactoryTest.php

@@ -38,7 +38,7 @@ public function __construct()
         {
         }
 
-        public function start(\$determineUnusedAndDead = true): void
+        public function start(bool \$determineUnusedAndDead = true): void
         {
         }
 
@@ -74,7 +74,7 @@ public function __construct()
             throw new \Exception('bad');
         }
 
-        public function start(\$determineUnusedAndDead = true): void
+        public function start(bool \$determineUnusedAndDead = true): void
         {
         }