experiment with psalm detection of unused code

src/phpDocumentor/Descriptor/ArgumentDescriptor.php

@@ -64,18 +64,6 @@ public function getType() : ?Type
         return $this->type;
     }
 
-    /**
-     * @return list<?Type>
-     *
-     * @phpstan-return array<int, ?Type>
-     */
-    public function getTypes() : array
-    {
-        trigger_error('Please use getType', E_USER_DEPRECATED);
-
-        return [$this->getType()];
-    }
-
     public function getInheritedElement() : ?ArgumentDescriptor
     {
         if ($this->method instanceof MethodDescriptor &&

src/phpDocumentor/Descriptor/Builder/Reflector/FileAssembler.php

@@ -200,25 +200,6 @@ protected function addTraits(array $traits, FileDescriptor $fileDescriptor) : vo
         }
     }
 
-    /**
-     * Registers the markers that were found in a File with the File Descriptor.
-     *
-     * @param array<array<string>> $markers
-     */
-    protected function addMarkers(array $markers, FileDescriptor $fileDescriptor) : void
-    {
-        foreach ($markers as $marker) {
-            [$type, $message, $line] = $marker;
-            $fileDescriptor->getMarkers()->add(
-                [
-                    'type' => $type,
-                    'message' => $message,
-                    'line' => $line,
-                ]
-            );
-        }
-    }
-
     protected function overridePackageTag(File $data, FileDescriptor $fileDescriptor) : void
     {
         /** @var Collection<TagDescriptor> $packages */

src/phpDocumentor/Descriptor/Tag/BaseTypes/TypedAbstract.php

@@ -27,15 +27,6 @@ abstract class TypedAbstract extends TagDescriptor
     /** @var Type $types */
     protected $types;
 
-    /**
-     * Sets a list of types associated with this tag.
-     */
-    public function setTypes(?Type $types = null) : void
-    {
-        trigger_error('Use setType, because type is an object', E_USER_DEPRECATED);
-        $this->types = $types;
-    }
-
     /**
      * Sets a list of types associated with this tag.
      */
@@ -44,20 +35,6 @@ public function setType(?Type $types = null) : void
         $this->types = $types;
     }
 
-    /**
-     * Returns the list of types associated with this tag.
-     *
-     * @return list<Type>
-     *
-     * @phpstan-return array<int, Type>
-     */
-    public function getTypes() : array
-    {
-        trigger_error('Use getType, because type is an object', E_USER_DEPRECATED);
-
-        return array_filter([$this->types]);
-    }
-
     public function getType() : ?Type
     {
         return $this->types;

src/phpDocumentor/Descriptor/Validation/Error.php

@@ -46,21 +46,8 @@ public function getCode() : string
         return $this->code;
     }
 
-    public function getLine() : int
-    {
-        return $this->line;
-    }
-
     public function getSeverity() : string
     {
         return $this->severity;
     }
-
-    /**
-     * @return mixed[]
-     */
-    public function getContext() : array
-    {
-        return $this->context;
-    }
 }

src/phpDocumentor/Descriptor/VersionDescriptor.php

@@ -30,11 +30,6 @@ public function __construct(string $number, Collection $documentationSets)
         $this->number = $number;
     }
 
-    public function getNumber() : string
-    {
-        return $this->number;
-    }
-
     /**
      * @return Collection<GuideSetDescriptor>
      */

src/phpDocumentor/Guides/Listener/AssetsCopyListener.php

@@ -29,11 +29,4 @@ public function __construct(FilesystemInterface $targetFilesystem)
     {
         $this->targetFilesystem = $targetFilesystem;
     }
-
-    public function postBuildRender()
-    {
-        $sourceFilesystem = new Filesystem(new Local(sprintf('%s/../Templates/rtd/assets', __DIR__)));
-
-        FlySystemMirror::mirror($sourceFilesystem, $this->targetFilesystem, '', 'assets');
-    }
 }

src/phpDocumentor/Guides/Listener/CopyImagesListener.php

@@ -32,40 +32,4 @@ public function __construct(BuildContext $buildContext, ErrorManager $errorManag
         $this->buildContext = $buildContext;
         $this->errorManager = $errorManager;
     }
-
-    public function preNodeRender(PreNodeRenderEvent $event)
-    {
-        $node = $event->getNode();
-        if (!$node instanceof ImageNode) {
-            return;
-        }
-
-        $sourceImage = $node->getEnvironment()->absoluteRelativePath($node->getUrl());
-
-        if (!file_exists($sourceImage)) {
-            $this->errorManager->error(
-                sprintf(
-                    'Missing image file "%s" in "%s"',
-                    $node->getUrl(),
-                    $node->getEnvironment()->getCurrentFileName()
-                )
-            );
-
-            return;
-        }
-
-        $fileInfo = new SplFileInfo($sourceImage);
-        $fs = new Filesystem();
-
-        // the /_images path is currently hardcoded here and respected
-        // in the overridden image node template
-        $newPath = '/_images/' . $fileInfo->getFilename();
-        $fs->copy($sourceImage, $this->buildContext->getOutputFilesystem() . $newPath, true);
-
-        $node->setValue(
-            $node->getEnvironment()->relativeUrl(
-                '/_images/' . $fileInfo->getFilename()
-            )
-        );
-    }
 }

src/phpDocumentor/Parser/FlySystemFactory.php

@@ -67,7 +67,6 @@ private function createAdapter(Dsn $dsn) : AdapterInterface
         }
 
         try {
-            $root = (string) $dsn;
         } catch (InvalidArgumentException $e) {
             throw new InvalidArgumentException(
                 'Failed to determine the root path for the given DSN, received: ' . (string) $dsn,

src/phpDocumentor/Transformer/Transformer.php

@@ -178,17 +178,6 @@ public function log(string $message, string $priority = LogLevel::INFO) : void
         $this->logger->log($priority, $message);
     }
 
-    /**
-     * Dispatches a logging request to log a debug message.
-     *
-     * This method can be used by writers to output logs without having to know anything about
-     * the logging mechanism of phpDocumentor.
-     */
-    public function debug(string $message) : void
-    {
-        $this->log($message, LogLevel::DEBUG);
-    }
-
     /**
      * Initializes all writers that are used during this transformation.
      *