diff --git a/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php b/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
--- a/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
+++ b/src/applications/aphlict/management/PhabricatorAphlictManagementWorkflow.php
@@ -88,6 +88,7 @@
 
   final protected function setDebug($debug) {
     $this->debug = $debug;
+    return $this;
   }
 
   public static function requireExtensions() {
diff --git a/src/applications/differential/parser/DifferentialChangesetParser.php b/src/applications/differential/parser/DifferentialChangesetParser.php
--- a/src/applications/differential/parser/DifferentialChangesetParser.php
+++ b/src/applications/differential/parser/DifferentialChangesetParser.php
@@ -257,6 +257,7 @@
 
     $this->originalLeft = $left;
     $this->originalRight = $right;
+    return $this;
   }
 
   public function diffOriginals() {
diff --git a/src/applications/diviner/atom/DivinerAtom.php b/src/applications/diviner/atom/DivinerAtom.php
--- a/src/applications/diviner/atom/DivinerAtom.php
+++ b/src/applications/diviner/atom/DivinerAtom.php
@@ -370,6 +370,7 @@
 
   public function setProperty($key, $value) {
     $this->properties[$key] = $value;
+    return $this;
   }
 
   public function getProperties() {
diff --git a/src/applications/legalpad/editor/LegalpadDocumentEditor.php b/src/applications/legalpad/editor/LegalpadDocumentEditor.php
--- a/src/applications/legalpad/editor/LegalpadDocumentEditor.php
+++ b/src/applications/legalpad/editor/LegalpadDocumentEditor.php
@@ -15,6 +15,7 @@
 
   private function setIsContribution($is_contribution) {
     $this->isContribution = $is_contribution;
+    return $this;
   }
 
   private function isContribution() {
diff --git a/src/applications/metamta/view/PhabricatorMetaMTAMailBody.php b/src/applications/metamta/view/PhabricatorMetaMTAMailBody.php
--- a/src/applications/metamta/view/PhabricatorMetaMTAMailBody.php
+++ b/src/applications/metamta/view/PhabricatorMetaMTAMailBody.php
@@ -20,6 +20,7 @@
 
   public function setViewer($viewer) {
     $this->viewer = $viewer;
+    return $this;
   }
 
 /* -(  Composition  )-------------------------------------------------------- */
diff --git a/src/applications/paste/view/PasteEmbedView.php b/src/applications/paste/view/PasteEmbedView.php
--- a/src/applications/paste/view/PasteEmbedView.php
+++ b/src/applications/paste/view/PasteEmbedView.php
@@ -24,6 +24,7 @@
 
   public function setLines($lines) {
     $this->lines = $lines;
+    return $this;
   }
 
   public function render() {
diff --git a/src/applications/releeph/editor/ReleephRequestTransactionalEditor.php b/src/applications/releeph/editor/ReleephRequestTransactionalEditor.php
--- a/src/applications/releeph/editor/ReleephRequestTransactionalEditor.php
+++ b/src/applications/releeph/editor/ReleephRequestTransactionalEditor.php
@@ -302,6 +302,8 @@
             'RQ'.$id));
         break;
     }
+
+    return $this;
   }
 
 }
diff --git a/src/applications/releeph/field/specification/ReleephFieldSpecification.php b/src/applications/releeph/field/specification/ReleephFieldSpecification.php
--- a/src/applications/releeph/field/specification/ReleephFieldSpecification.php
+++ b/src/applications/releeph/field/specification/ReleephFieldSpecification.php
@@ -110,6 +110,7 @@
       $this->getRequiredStorageKey());
     $this->validate($value);
     $this->setValue($value);
+    return $this;
   }
 
 
diff --git a/src/applications/releeph/field/specification/ReleephLevelFieldSpecification.php b/src/applications/releeph/field/specification/ReleephLevelFieldSpecification.php
--- a/src/applications/releeph/field/specification/ReleephLevelFieldSpecification.php
+++ b/src/applications/releeph/field/specification/ReleephLevelFieldSpecification.php
@@ -118,6 +118,7 @@
         pht("Unknown %s level name '%s'", $label, $name));
     }
     $this->setValue($level);
+    return $this;
   }
 
   private $nameMap = array();
diff --git a/src/applications/repository/engine/PhabricatorRepositoryRefEngine.php b/src/applications/repository/engine/PhabricatorRepositoryRefEngine.php
--- a/src/applications/repository/engine/PhabricatorRepositoryRefEngine.php
+++ b/src/applications/repository/engine/PhabricatorRepositoryRefEngine.php
@@ -438,6 +438,8 @@
         PhabricatorWorker::scheduleTask($class, $data);
       }
     }
+
+    return $this;
   }
 
 
diff --git a/src/applications/search/engine/PhabricatorApplicationSearchEngine.php b/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
--- a/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
+++ b/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
@@ -513,6 +513,8 @@
         PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
         $constraints);
     }
+
+    return $this;
   }
 
 
diff --git a/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldPHIDs.php b/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldPHIDs.php
--- a/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldPHIDs.php
+++ b/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldPHIDs.php
@@ -42,6 +42,7 @@
       }
     }
     $this->setFieldValue($value);
+    return $this;
   }
 
   public function readApplicationSearchValueFromRequest(