/**
         * Constructor
+        *
+        * @param string $title The civility name
         */
-       public function __construct() {
+       public function __construct(string $title) {
+               $this->title = $title;
                $this->users = new ArrayCollection();
        }
 
         *
         * @return Civility
         */
-       public function setTitle(string $title) {
+       public function setTitle(string $title): Civility {
                $this->title = $title;
 
                return $this;
         *
         * @return Civility
         */
-       public function setCreated(\DateTime $created) {
+       public function setCreated(\DateTime $created): Civility {
                $this->created = $created;
 
                return $this;
         *
         * @return Civility
         */
-       public function setUpdated(\DateTime $updated) {
+       public function setUpdated(\DateTime $updated): Civility {
                $this->updated = $updated;
 
                return $this;
 
         * @param string $title The group name
         */
        public function __construct(string $title) {
-               $this->title = (string) $title;
+               $this->title = $title;
                $this->users = new ArrayCollection();
        }
 
         *
         * @param string $title The group name
         *
-        * @return User
+        * @return Group
         */
-       public function setTitle(string $title) {
+       public function setTitle(string $title): Group {
                $this->title = $title;
 
                return $this;
         *
         * @param \DateTime $created
         *
-        * @return User
+        * @return Group
         */
-       public function setCreated(\DateTime $created) {
+       public function setCreated(\DateTime $created): Group {
                $this->created = $created;
 
                return $this;
         *
         * @param \DateTime $updated
         *
-        * @return User
+        * @return Group
         */
-       public function setUpdated(\DateTime $updated) {
+       public function setUpdated(\DateTime $updated): Group {
                $this->updated = $updated;
 
                return $this;
 
 
        /**
         * Constructor
+        *
+        * @param string $mail The user mail
         */
-       public function __construct() {
+       public function __construct(string $mail) {
+               $this->mail = $mail;
                $this->active = false;
                $this->disabled = false;
                $this->groups = new ArrayCollection();
         *
         * @return User
         */
-       public function setMail(string $mail) {
+       public function setMail(string $mail): User {
                $this->mail = $mail;
 
                return $this;
         *
         * @return User
         */
-       public function setPseudonym(string $pseudonym) {
+       public function setPseudonym(string $pseudonym): User {
                $this->pseudonym = $pseudonym;
 
                return $this;
         *
         * @return User
         */
-       public function setForename(string $forename) {
+       public function setForename(string $forename): User {
                $this->forename = $forename;
 
                return $this;
         *
         * @return User
         */
-       public function setSurname(string $surname) {
+       public function setSurname(string $surname): User {
                $this->surname = $surname;
 
                return $this;
         *
         * @return User
         */
-       public function setPassword(string $password) {
+       public function setPassword(string $password): User {
                $this->password = $password;
 
                return $this;
         *
         * @return User
         */
-       public function setActive(bool $active) {
+       public function setActive(bool $active): User {
                $this->active = $active;
 
                return $this;
         *
         * @return User
         */
-       public function setDisabled(bool $disabled) {
+       public function setDisabled(bool $disabled): User {
                $this->disabled = $disabled;
 
                return $this;
         *
         * @return User
         */
-       public function setCreated(\DateTime $created) {
+       public function setCreated(\DateTime $created): User {
                $this->created = $created;
 
                return $this;
         *
         * @return User
         */
-       public function setUpdated(\DateTime $updated) {
+       public function setUpdated(\DateTime $updated): User {
                $this->updated = $updated;
 
                return $this;
        /**
         * Set civility
         */
-       public function setCivility(Civility $civility) {
+       public function setCivility(Civility $civility): User {
                $this->civility = $civility;
 
                return $this;