Make sure $this is returned

src/League/OAuth2/Server/Authorization.php

@@ -261,6 +261,11 @@ class Authorization
         return (array_key_exists($identifier, $this->grantTypes));
     }
 
+    /**
+     * Returns response types
+     *
+     * @return array
+     */
     public function getResponseTypes()
     {
         return $this->responseTypes;
@@ -287,11 +292,12 @@ class Authorization
 
     /**
      * Default scope to be used if none is provided and requireScopeParam is false
-     * @var string|array
+     * @param string|array $default
      */
     public function setDefaultScope($default = null)
     {
         $this->defaultScope = $default;
+        return $this;
     }
 
     /**
@@ -321,6 +327,7 @@ class Authorization
     public function requireStateParam($require = true)
     {
         $this->requireStateParam = $require;
+        return $this;
     }
 
     /**
@@ -341,6 +348,7 @@ class Authorization
     public function setScopeDelimeter($scopeDelimeter = ' ')
     {
         $this->scopeDelimeter = $scopeDelimeter;
+        return $this;
     }
 
     /**
@@ -359,6 +367,7 @@ class Authorization
     public function setAccessTokenTTL($accessTokenTTL = 3600)
     {
         $this->accessTokenTTL = $accessTokenTTL;
+        return $this;
     }
 
     /**
@@ -369,6 +378,7 @@ class Authorization
     public function setRequest(Util\RequestInterface $request)
     {
         $this->request = $request;
+        return $this;
     }
 
     /**
@@ -381,7 +391,6 @@ class Authorization
         if ($this->request === null) {
             // @codeCoverageIgnoreStart
             $this->request = Request::buildFromGlobals();
-
         }
         // @codeCoverageIgnoreEnd
 

src/League/OAuth2/Server/Resource.php

@@ -93,6 +93,7 @@ class Resource
     public function setRequest(RequestInterface $request)
     {
         $this->request = $request;
+        return $this;
     }
 
     /**
@@ -129,6 +130,7 @@ class Resource
     public function setTokenKey($key)
     {
         $this->tokenKey = $key;
+        return $this;
     }
 
     /**