Document the return values of setters.

src/Model/ZoneEntityInterface.php

@@ -10,48 +10,62 @@ interface ZoneEntityInterface extends ZoneInterface
      * Sets the zone id.
      *
      * @param string $id The zone id.
+     *
+     * @return self
      */
     public function setId($id);
 
     /**
      * Sets the zone name.
      *
      * @param string $name The zone name.
+     *
+     * @return self
      */
     public function setName($name);
 
     /**
      * Sets the zone scope.
      *
      * @param string $scope The zone scope.
+     *
+     * @return self
      */
     public function setScope($scope);
 
     /**
      * Sets the zone priority.
      *
      * @param int $priority The zone priority.
+     *
+     * @return self
      */
     public function setPriority($priority);
 
     /**
      * Sets the zone members.
      *
      * @param ZoneMemberEntityInterface[] $members The zone members.
+     *
+     * @return self
      */
     public function setMembers(Collection $members);
 
     /**
      * Adds a zone member.
      *
      * @param ZoneMemberEntityInterface $member The zone member.
+     *
+     * @return self
      */
     public function addMember(ZoneMemberEntityInterface $member);
 
     /**
      * Removes a zone member.
      *
      * @param ZoneMemberEntityInterface $member The zone member.
+     *
+     * @return self
      */
     public function removeMember(ZoneMemberEntityInterface $member);
 

src/Model/ZoneMemberCountry.php

@@ -73,6 +73,8 @@ public function getCountryCode()
      * Sets the country code.
      *
      * @param string $countryCode The country code.
+     *
+     * @return self
      */
     public function setCountryCode($countryCode)
     {
@@ -95,6 +97,8 @@ public function getAdministrativeArea()
      * Sets the administrative area.
      *
      * @param string|null $administrativeArea The administrative area.
+     *
+     * @return self
      */
     public function setAdministrativeArea($administrativeArea = null)
     {
@@ -117,6 +121,8 @@ public function getLocality()
      * Sets the locality.
      *
      * @param string|null $locality The locality.
+     *
+     * @return self
      */
     public function setLocality($locality = null)
     {
@@ -139,6 +145,8 @@ public function getDependentLocality()
      * Sets the dependent locality.
      *
      * @param string|null $dependentLocality The dependent locality.
+     *
+     * @return self
      */
     public function setDependentLocality($dependentLocality = null)
     {
@@ -161,6 +169,8 @@ public function getIncludedPostalCodes()
      * Sets the included postal codes.
      *
      * @param string $includedPostalCodes The included postal codes.
+     *
+     * @return self
      */
     public function setIncludedPostalCodes($includedPostalCodes)
     {
@@ -183,6 +193,8 @@ public function getExcludedPostalCodes()
      * Sets the excluded postal codes.
      *
      * @param string $excludedPostalCodes The excluded postal codes.
+     *
+     * @return self
      */
     public function setExcludedPostalCodes($excludedPostalCodes)
     {

src/Model/ZoneMemberEntityInterface.php

@@ -10,20 +10,26 @@ interface ZoneMemberEntityInterface extends ZoneMemberInterface
      * Sets the zone member id.
      *
      * @param string $id The zone member id.
+     *
+     * @return self
      */
     public function setId($id);
 
     /**
      * Sets the zone member name.
      *
      * @param string $name The zone member name.
+     *
+     * @return self
      */
     public function setName($name);
 
     /**
      * Sets the parent zone.
      *
      * @param ZoneEntityInterface|null $parentZone The parent zone.
+     *
+     * @return self
      */
     public function setParentZone(ZoneEntityInterface $parentZone = null);
 }

src/Model/ZoneMemberZone.php

@@ -38,6 +38,8 @@ public function getZone()
      * Sets the zone.
      *
      * @param ZoneEntityInterface $zone The zone matched by the zone member.
+     *
+     * @return self
      */
     public function setZone(ZoneEntityInterface $zone)
     {