Begin fixing return types using Psalm. (#1765)

module/VuFind/src/VuFind/Auth/ILS.php

@@ -86,7 +86,7 @@ class ILS extends AbstractBase
      * Get the ILS driver associated with this object (or load the default from
      * the service manager.
      *
-     * @return \VuFind\ILS\Driver\DriverInterface
+     * @return \VuFind\ILS\Connection
      */
     public function getCatalog()
     {

module/VuFind/src/VuFind/Cart.php

@@ -202,7 +202,7 @@ class Cart
     /**
      * Get cart size.
      *
-     * @return string The maximum cart size
+     * @return int The maximum cart size
      */
     public function getMaxSize()
     {

module/VuFindTheme/tests/unit-tests/src/VuFindTest/CssPreCompilerTest.php

@@ -58,7 +58,7 @@ class CssPreCompilerTest extends Unit\TestCase
     /**
      * Data Provider for extensions and classes
      *
-     * @return void
+     * @return array
      */
     public static function extClassProvider()
     {

module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php

@@ -232,7 +232,7 @@ class ThemeCompilerTest extends Unit\TestCase
     /**
      * Get a test ThemeCompiler object
      *
-     * @return ThemeInfo
+     * @return ThemeCompiler
      */
     protected function getThemeCompiler()
     {

module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/HeadThemeResourcesTest.php

@@ -108,7 +108,7 @@ class HeadThemeResourcesTest extends \VuFindTest\Unit\TestCase
     /**
      * Get a fake HeadMeta helper.
      *
-     * @return \Laminas\View\Helper\HeadMeta
+     * @return \PHPUnit\Framework\MockObject\MockObject&\VuFindTheme\View\Helper\HeadMeta
      */
     protected function getMockHeadMeta()
     {

module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/ParentTemplateTest.php

@@ -27,7 +27,6 @@
  */
 namespace VuFindTest\View\Helper;
 
-use VuFindTheme\ResourceContainer;
 use VuFindTheme\View\Helper\ParentTemplate;
 
 /**
@@ -61,7 +60,7 @@ class ParentTemplateTest extends \VuFindTest\Unit\TestCase
     /**
      * Get a populated resource container for testing.
      *
-     * @return ResourceContainer
+     * @return ParentTemplate
      */
     protected function getHelper($stack)
     {

module/VuFindTheme/tests/unit-tests/src/VuFindTest/View/Helper/TemplatePathTest.php

@@ -27,7 +27,6 @@
  */
 namespace VuFindTest\View\Helper;
 
-use VuFindTheme\ResourceContainer;
 use VuFindTheme\View\Helper\TemplatePath;
 
 /**
@@ -61,7 +60,7 @@ class TemplatePathTest extends \VuFindTest\Unit\TestCase
     /**
      * Get a populated resource container for testing.
      *
-     * @return ResourceContainer
+     * @return TemplatePath
      */
     protected function getHelper()
     {