diff --git a/fixtures/signature/funcClosed.php b/fixtures/signature/funcClosed.php
new file mode 100644
index 0000000..6012844
--- /dev/null
+++ b/fixtures/signature/funcClosed.php
@@ -0,0 +1,7 @@
+<?php
+
+function helpFunc1(int $count = 0)
+{
+}
+
+helpFunc1()
diff --git a/fixtures/signature/funcNotClosed.php b/fixtures/signature/funcNotClosed.php
new file mode 100644
index 0000000..95d7ebb
--- /dev/null
+++ b/fixtures/signature/funcNotClosed.php
@@ -0,0 +1,7 @@
+<?php
+
+function helpFunc2(int $count = 0)
+{
+}
+
+helpFunc2(
diff --git a/fixtures/signature/methodActiveParam.php b/fixtures/signature/methodActiveParam.php
new file mode 100644
index 0000000..c100c7a
--- /dev/null
+++ b/fixtures/signature/methodActiveParam.php
@@ -0,0 +1,15 @@
+<?php
+
+class HelpClass5
+{
+    public function method(string $param = "", int $count = 0, bool $test = null)
+    {
+    }
+    public function test()
+    {
+        $this->method();
+    }
+}
+
+$a = new HelpClass5;
+$a->method("asdf", 123, true);
\ No newline at end of file
diff --git a/fixtures/signature/methodClosed.php b/fixtures/signature/methodClosed.php
new file mode 100644
index 0000000..924cd30
--- /dev/null
+++ b/fixtures/signature/methodClosed.php
@@ -0,0 +1,15 @@
+<?php
+
+class HelpClass1
+{
+    public function method(string $param = "")
+    {
+    }
+    public function test()
+    {
+        $this->method();
+    }
+}
+
+$a = new HelpClass1;
+$a->method();
\ No newline at end of file
diff --git a/fixtures/signature/methodNotClosed.php b/fixtures/signature/methodNotClosed.php
new file mode 100644
index 0000000..d5ce4cc
--- /dev/null
+++ b/fixtures/signature/methodNotClosed.php
@@ -0,0 +1,17 @@
+<?php
+
+class HelpClass2
+{
+    protected function method(string $param = "")
+    {
+    }
+    public function test()
+    {
+        $this->method(1,1);
+    }
+}
+$a = new HelpClass2;
+$a
+    ->method(
+        1,
+        array(),
diff --git a/fixtures/signature/staticClosed.php b/fixtures/signature/staticClosed.php
new file mode 100644
index 0000000..301009f
--- /dev/null
+++ b/fixtures/signature/staticClosed.php
@@ -0,0 +1,10 @@
+<?php
+
+class HelpClass3
+{
+    public static function method(string $param = "")
+    {
+    }
+}
+
+HelpClass3::method()
diff --git a/fixtures/signature/staticNotClosed.php b/fixtures/signature/staticNotClosed.php
new file mode 100644
index 0000000..49728aa
--- /dev/null
+++ b/fixtures/signature/staticNotClosed.php
@@ -0,0 +1,10 @@
+<?php
+
+class HelpClass4
+{
+    public static function method(string $param = "")
+    {
+    }
+}
+
+HelpClass4::method(1
diff --git a/src/Definition.php b/src/Definition.php
index c27f871..ba1587a 100644
--- a/src/Definition.php
+++ b/src/Definition.php
@@ -6,6 +6,7 @@ namespace LanguageServer;
 use LanguageServer\Index\ReadableIndex;
 use phpDocumentor\Reflection\{Types, Type, Fqsen, TypeResolver};
 use LanguageServer\Protocol\SymbolInformation;
+use LanguageServer\Protocol\ParameterInformation;
 use Exception;
 use Generator;
 
@@ -98,6 +99,13 @@ class Definition
      * @var string
      */
     public $documentation;
+    
+    /**
+     * Parameters array (for methods and functions), for use in textDocument/signatureHelp
+     *
+     * @var ParameterInformation[]
+     */
+    public $parameters;
 
     /**
      * Yields the definitons of all ancestor classes (the Definition fqn is yielded as key)
diff --git a/src/DefinitionResolver.php b/src/DefinitionResolver.php
index c9d1400..e4b17ed 100644
--- a/src/DefinitionResolver.php
+++ b/src/DefinitionResolver.php
@@ -5,8 +5,12 @@ namespace LanguageServer;
 
 use LanguageServer\Index\ReadableIndex;
 use LanguageServer\Protocol\SymbolInformation;
+use LanguageServer\Protocol\ParameterInformation;
 use Microsoft\PhpParser;
 use Microsoft\PhpParser\Node;
+use Microsoft\PhpParser\Node\Expression\AnonymousFunctionCreationExpression;
+use Microsoft\PhpParser\Node\MethodDeclaration;
+use Microsoft\PhpParser\Node\Statement\FunctionDeclaration;
 use phpDocumentor\Reflection\{
     DocBlock, DocBlockFactory, Fqsen, Type, TypeResolver, Types
 };
@@ -232,6 +236,20 @@ class DefinitionResolver
             $def->documentation = $this->getDocumentationFromNode($node);
         }
 
+        $def->parameters = [];
+        if (($node instanceof MethodDeclaration ||
+             $node instanceof FunctionDeclaration ||
+             $node instanceof AnonymousFunctionCreationExpression) &&
+            $node->parameters !== null
+        ) {
+            foreach ($node->parameters->getElements() as $param) {
+                $def->parameters[] = new ParameterInformation(
+                    $this->getDeclarationLineFromNode($param),
+                    $this->getDocumentationFromNode($param)
+                );
+            }
+        }
+
         return $def;
     }
 
diff --git a/src/LanguageServer.php b/src/LanguageServer.php
index 73560f4..5835bfe 100644
--- a/src/LanguageServer.php
+++ b/src/LanguageServer.php
@@ -9,7 +9,8 @@ use LanguageServer\Protocol\{
     TextDocumentSyncKind,
     Message,
     InitializeResult,
-    CompletionOptions
+    CompletionOptions,
+    SignatureHelpOptions
 };
 use LanguageServer\FilesFinder\{FilesFinder, ClientFilesFinder, FileSystemFilesFinder};
 use LanguageServer\ContentRetriever\{ContentRetriever, ClientContentRetriever, FileSystemContentRetriever};
@@ -275,6 +276,9 @@ class LanguageServer extends AdvancedJsonRpc\Dispatcher
             $serverCapabilities->completionProvider = new CompletionOptions;
             $serverCapabilities->completionProvider->resolveProvider = false;
             $serverCapabilities->completionProvider->triggerCharacters = ['$', '>'];
+            // support signature help
+            $serverCapabilities->signatureHelpProvider = new SignatureHelpOptions;
+            $serverCapabilities->signatureHelpProvider->triggerCharacters = ['(',','];
             // Support global references
             $serverCapabilities->xworkspaceReferencesProvider = true;
             $serverCapabilities->xdefinitionProvider = true;
diff --git a/src/Protocol/ParameterInformation.php b/src/Protocol/ParameterInformation.php
index 89b5e53..98c6c87 100644
--- a/src/Protocol/ParameterInformation.php
+++ b/src/Protocol/ParameterInformation.php
@@ -23,4 +23,13 @@ class ParameterInformation
      * @var string|null
      */
     public $documentation;
+    /**
+     * @param string                 $label         The label of this signature. Will be shown in the UI.
+     * @param string|null            $documentation The human-readable doc-comment of this signature.
+     */
+    public function __construct(string $label = null, string $documentation = null)
+    {
+        $this->label = $label;
+        $this->documentation = $documentation;
+    }
 }
diff --git a/src/Protocol/SignatureHelp.php b/src/Protocol/SignatureHelp.php
index 407b25a..a99ef58 100644
--- a/src/Protocol/SignatureHelp.php
+++ b/src/Protocol/SignatureHelp.php
@@ -29,4 +29,15 @@ class SignatureHelp
      * @var int|null
      */
     public $activeParameter;
+    /**
+     * @param SignatureInformation[] $signatures      The signatures.
+     * @param int|null               $activeSignature The active signature.
+     * @param int|null               $activeParameter The active parameter of the active signature.
+     */
+    public function __construct(array $signatures = [], int $activeSignature = null, int $activeParameter = null)
+    {
+        $this->signatures = $signatures;
+        $this->activeSignature = $activeSignature;
+        $this->activeParameter = $activeParameter;
+    }
 }
diff --git a/src/Protocol/SignatureInformation.php b/src/Protocol/SignatureInformation.php
index 77e152c..e1d4273 100644
--- a/src/Protocol/SignatureInformation.php
+++ b/src/Protocol/SignatureInformation.php
@@ -31,4 +31,16 @@ class SignatureInformation
      * @var ParameterInformation[]|null
      */
     public $parameters;
+
+    /**
+     * @param string                      $label         The label of this signature. Will be shown in the UI.
+     * @param string|null                 $documentation The human-readable doc-comment of this signature.
+     * @param ParameterInformation[]|null $parameters    The parameters of this signature.
+     */
+    public function __construct(string $label = null, string $documentation = null, array $parameters = null)
+    {
+        $this->label = $label;
+        $this->documentation = $documentation;
+        $this->parameters = $parameters;
+    }
 }
diff --git a/src/Server/TextDocument.php b/src/Server/TextDocument.php
index 3209438..656227c 100644
--- a/src/Server/TextDocument.php
+++ b/src/Server/TextDocument.php
@@ -4,7 +4,7 @@ declare(strict_types = 1);
 namespace LanguageServer\Server;
 
 use LanguageServer\{
-    CompletionProvider, LanguageClient, PhpDocument, PhpDocumentLoader, DefinitionResolver
+    CompletionProvider, LanguageClient, PhpDocument, PhpDocumentLoader, DefinitionResolver, SignatureHelpProvider
 };
 use LanguageServer\Index\ReadableIndex;
 use LanguageServer\Protocol\{
@@ -73,6 +73,10 @@ class TextDocument
      * @var \stdClass|null
      */
     protected $composerLock;
+    /**
+     * @var SignatureHelpProvider
+     */
+    protected $signatureHelpProvider;
 
     /**
      * @param PhpDocumentLoader $documentLoader
@@ -94,6 +98,7 @@ class TextDocument
         $this->client = $client;
         $this->definitionResolver = $definitionResolver;
         $this->completionProvider = new CompletionProvider($this->definitionResolver, $index);
+        $this->signatureHelpProvider = new SignatureHelpProvider($this->definitionResolver, $index);
         $this->index = $index;
         $this->composerJson = $composerJson;
         $this->composerLock = $composerLock;
@@ -399,4 +404,20 @@ class TextDocument
             return [new SymbolLocationInformation($descriptor, $def->symbolInformation->location)];
         });
     }
+
+    /**
+     * The signature help request is sent from the client to the server to request signature information
+     * at a given cursor position.
+     *
+     * @param TextDocumentIdentifier $textDocument The text document
+     * @param Position               $position     The position inside the text document
+     * @return Promise <SignatureHelp>
+     */
+    public function signatureHelp(TextDocumentIdentifier $textDocument, Position $position): Promise
+    {
+        return coroutine(function () use ($textDocument, $position) {
+            $document = yield $this->documentLoader->getOrLoad($textDocument->uri);
+            return $this->signatureHelpProvider->provideSignature($document, $position);
+        });
+    }
 }
diff --git a/src/SignatureHelpProvider.php b/src/SignatureHelpProvider.php
new file mode 100644
index 0000000..916d177
--- /dev/null
+++ b/src/SignatureHelpProvider.php
@@ -0,0 +1,111 @@
+<?php
+declare(strict_types = 1);
+
+namespace LanguageServer;
+
+use Microsoft\PhpParser\Node\DelimitedList\ArgumentExpressionList;
+use Microsoft\PhpParser\Node\Expression\CallExpression;
+use Microsoft\PhpParser\Node\Expression\ArgumentExpression;
+use LanguageServer\Index\ReadableIndex;
+use LanguageServer\Protocol\{
+    Range,
+    Position,
+    SignatureHelp,
+    SignatureInformation,
+    ParameterInformation
+};
+
+class SignatureHelpProvider
+{
+    /**
+     * @var DefinitionResolver
+     */
+    private $definitionResolver;
+
+    /**
+     * @var ReadableIndex
+     */
+    private $index;
+
+    /**
+     * @param DefinitionResolver $definitionResolver
+     * @param ReadableIndex      $index
+     */
+    public function __construct(DefinitionResolver $definitionResolver, ReadableIndex $index)
+    {
+        $this->definitionResolver = $definitionResolver;
+        $this->index = $index;
+    }
+
+    /**
+     * Get the short declaration for a callable (class modifiers, function keyword, etc are stripped)
+     *
+     * @param string $declaration
+     * @return string
+     */
+    protected function getShortDeclaration(string $declaration): string
+    {
+        $parts = explode('(', $declaration, 2);
+        $name = array_reverse(explode(' ', trim($parts[0])))[0];
+        return $name . '(' . $parts[1];
+    }
+
+    /**
+     * Returns signature help for a specific cursor position in a document
+     *
+     * @param PhpDocument $doc The opened document
+     * @param Position $pos The cursor position
+     * @return SignatureHelp
+     */
+    public function provideSignature(PhpDocument $doc, Position $pos) : SignatureHelp
+    {
+        $node = $doc->getNodeAtPosition($pos);
+        $arge = null;
+        while ($node &&
+            !($node instanceof ArgumentExpressionList) &&
+            !($node instanceof CallExpression) &&
+            $node->parent
+        ) {
+            if ($node instanceof ArgumentExpression) {
+                $arge = $node;
+            }
+            $node = $node->parent;
+        }
+        if (!($node instanceof ArgumentExpressionList) &&
+            !($node instanceof CallExpression)
+        ) {
+            return new SignatureHelp;
+        }
+        $count = null;
+        if ($node instanceof ArgumentExpressionList) {
+            $count = 0;
+            foreach ($node->getElements() as $param) {
+                if ($param === $arge) {
+                    break;
+                }
+                $count ++;
+            }
+            while ($node && !($node instanceof CallExpression) && $node->parent) {
+                $node = $node->parent;
+            }
+            if (!($node instanceof CallExpression)) {
+                return new SignatureHelp;
+            }
+        }
+        $def = $this->definitionResolver->resolveReferenceNodeToDefinition($node->callableExpression);
+        if (!$def) {
+            return new SignatureHelp;
+        }
+        return new SignatureHelp(
+            [
+                new SignatureInformation(
+                    $this->getShortDeclaration($def->declarationLine),
+                    $def->documentation,
+                    $def->parameters
+                )
+            ],
+            0,
+            $count !== null && $def->parameters !== null && $count < count($def->parameters) ? $count : null
+        );
+    }
+}
diff --git a/tests/LanguageServerTest.php b/tests/LanguageServerTest.php
index 5d58172..a8e1620 100644
--- a/tests/LanguageServerTest.php
+++ b/tests/LanguageServerTest.php
@@ -14,7 +14,8 @@ use LanguageServer\Protocol\{
     TextDocumentIdentifier,
     InitializeResult,
     ServerCapabilities,
-    CompletionOptions
+    CompletionOptions,
+    SignatureHelpOptions
 };
 use AdvancedJsonRpc;
 use Webmozart\Glob\Glob;
@@ -40,6 +41,8 @@ class LanguageServerTest extends TestCase
         $serverCapabilities->completionProvider = new CompletionOptions;
         $serverCapabilities->completionProvider->resolveProvider = false;
         $serverCapabilities->completionProvider->triggerCharacters = ['$', '>'];
+        $serverCapabilities->signatureHelpProvider = new SignatureHelpOptions;
+        $serverCapabilities->signatureHelpProvider->triggerCharacters = ['(',','];
         $serverCapabilities->xworkspaceReferencesProvider = true;
         $serverCapabilities->xdefinitionProvider = true;
         $serverCapabilities->xdependenciesProvider = true;
diff --git a/tests/Server/TextDocument/SignatureHelpTest.php b/tests/Server/TextDocument/SignatureHelpTest.php
new file mode 100644
index 0000000..832a88e
--- /dev/null
+++ b/tests/Server/TextDocument/SignatureHelpTest.php
@@ -0,0 +1,248 @@
+<?php
+declare(strict_types = 1);
+
+namespace LanguageServer\Tests\Server\TextDocument;
+
+use PHPUnit\Framework\TestCase;
+use LanguageServer\Tests\MockProtocolStream;
+use LanguageServer\{Server, LanguageClient, PhpDocumentLoader, CompletionProvider, DefinitionResolver};
+use LanguageServer\Index\{Index, ProjectIndex, DependenciesIndex, GlobalIndex, StubsIndex};
+use LanguageServer\ContentRetriever\FileSystemContentRetriever;
+use LanguageServer\Protocol\{
+    TextDocumentIdentifier,
+    TextEdit,
+    Range,
+    Position,
+    ClientCapabilities,
+    SignatureHelp,
+    SignatureInformation,
+    ParameterInformation
+};
+use function LanguageServer\pathToUri;
+
+class SignatureHelpTest extends TestCase
+{
+    /**
+     * @var Server\TextDocument
+     */
+    private $textDocument;
+
+    /**
+     * @var PhpDocumentLoader
+     */
+    private $loader;
+
+    public function setUp()
+    {
+        $client = new LanguageClient(new MockProtocolStream, new MockProtocolStream);
+        $projectIndex = new ProjectIndex(new Index, new DependenciesIndex);
+        $definitionResolver = new DefinitionResolver($projectIndex);
+        $contentRetriever = new FileSystemContentRetriever;
+        $this->loader = new PhpDocumentLoader($contentRetriever, $projectIndex, $definitionResolver);
+        $this->loader->load(pathToUri(__DIR__ . '/../../../fixtures/global_symbols.php'))->wait();
+        $this->loader->load(pathToUri(__DIR__ . '/../../../fixtures/symbols.php'))->wait();
+        $this->textDocument = new Server\TextDocument($this->loader, $definitionResolver, $client, $projectIndex);
+    }
+
+    public function testMethodClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/methodClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(9, 22)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testMethodClosedReference()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/methodClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(14, 11)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testMethodNotClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/methodNotClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(9, 22)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testMethodNotClosedReference()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/methodNotClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(14, 14)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testFuncClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/funcClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(6, 10)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'helpFunc1(int $count = 0)',
+                    null,
+                    [
+                        new ParameterInformation('int $count = 0')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testFuncNotClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/funcNotClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(6, 10)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'helpFunc2(int $count = 0)',
+                    null,
+                    [
+                        new ParameterInformation('int $count = 0')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testStaticClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/staticClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(9, 19)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testStaticNotClosed()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/staticNotClosed.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(9, 19)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "")',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""')
+                    ]
+                )
+            ]
+        ), $result);
+    }
+
+    public function testMethodActiveParam()
+    {
+        $completionUri = pathToUri(__DIR__ . '/../../../fixtures/signature/methodActiveParam.php');
+        $this->loader->open($completionUri, file_get_contents($completionUri));
+        $result = $this->textDocument->signatureHelp(
+            new TextDocumentIdentifier($completionUri),
+            new Position(14, 21)
+        )->wait();
+
+        $this->assertEquals(new SignatureHelp(
+            [
+                new SignatureInformation(
+                    'method(string $param = "", int $count = 0, bool $test = null)',
+                    null,
+                    [
+                        new ParameterInformation('string $param = ""'),
+                        new ParameterInformation('int $count = 0'),
+                        new ParameterInformation('bool $test = null')
+                    ]
+                )
+            ],
+            0,
+            1
+        ), $result);
+    }
+}
diff --git a/tests/Validation/cases/WithReturnTypehints.php.expected.json b/tests/Validation/cases/WithReturnTypehints.php.expected.json
index 8c6b092..3025bb9 100644
--- a/tests/Validation/cases/WithReturnTypehints.php.expected.json
+++ b/tests/Validation/cases/WithReturnTypehints.php.expected.json
@@ -31,7 +31,8 @@
             },
             "type": null,
             "declarationLine": "namespace Fixtures\\Prophecy;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Fixtures\\Prophecy\\WithReturnTypehints": {
             "fqn": "Fixtures\\Prophecy\\WithReturnTypehints",
@@ -52,7 +53,8 @@
             },
             "type": null,
             "declarationLine": "class WithReturnTypehints extends EmptyClass",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Fixtures\\Prophecy\\WithReturnTypehints->getSelf()": {
             "fqn": "Fixtures\\Prophecy\\WithReturnTypehints->getSelf()",
@@ -72,7 +74,8 @@
             "type__tostring": "\\self",
             "type": {},
             "declarationLine": "public function getSelf(): self {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Fixtures\\Prophecy\\WithReturnTypehints->getName()": {
             "fqn": "Fixtures\\Prophecy\\WithReturnTypehints->getName()",
@@ -92,7 +95,8 @@
             "type__tostring": "string",
             "type": {},
             "declarationLine": "public function getName(): string {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Fixtures\\Prophecy\\WithReturnTypehints->getParent()": {
             "fqn": "Fixtures\\Prophecy\\WithReturnTypehints->getParent()",
@@ -112,7 +116,8 @@
             "type__tostring": "\\parent",
             "type": {},
             "declarationLine": "public function getParent(): parent {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/anonymousClassMembersShouldNotBeSymbols.php.expected.json b/tests/Validation/cases/anonymousClassMembersShouldNotBeSymbols.php.expected.json
index 51343f1..fe0af66 100644
--- a/tests/Validation/cases/anonymousClassMembersShouldNotBeSymbols.php.expected.json
+++ b/tests/Validation/cases/anonymousClassMembersShouldNotBeSymbols.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/arrayValueShouldBeBoolean.php.expected.json b/tests/Validation/cases/arrayValueShouldBeBoolean.php.expected.json
index 107877e..e3f07b0 100644
--- a/tests/Validation/cases/arrayValueShouldBeBoolean.php.expected.json
+++ b/tests/Validation/cases/arrayValueShouldBeBoolean.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A->foo": {
             "fqn": "A->foo",
@@ -38,7 +39,8 @@
             "type__tostring": "string[]",
             "type": {},
             "declarationLine": "protected $foo;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/caseStatement1.php.expected.json b/tests/Validation/cases/caseStatement1.php.expected.json
index 9746749..3e72842 100644
--- a/tests/Validation/cases/caseStatement1.php.expected.json
+++ b/tests/Validation/cases/caseStatement1.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/classDefinition1.php.expected.json b/tests/Validation/cases/classDefinition1.php.expected.json
index 670b5de..5f78572 100644
--- a/tests/Validation/cases/classDefinition1.php.expected.json
+++ b/tests/Validation/cases/classDefinition1.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace TestNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\A": {
             "fqn": "TestNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\A->a": {
             "fqn": "TestNamespace\\A->a",
@@ -64,7 +66,8 @@
             "type__tostring": "int",
             "type": {},
             "declarationLine": "public $a;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/classProperty1.php.expected.json b/tests/Validation/cases/classProperty1.php.expected.json
index 921bf0b..2925697 100644
--- a/tests/Validation/cases/classProperty1.php.expected.json
+++ b/tests/Validation/cases/classProperty1.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace TestNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\TestClass": {
             "fqn": "TestNamespace\\TestClass",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class TestClass",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\TestClass->testProperty": {
             "fqn": "TestNamespace\\TestClass->testProperty",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public $testProperty;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\TestClass->testMethod()": {
             "fqn": "TestNamespace\\TestClass->testMethod()",
@@ -84,7 +87,13 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function testMethod($testParameter)",
-            "documentation": null
+            "documentation": null,
+            "parameters": [
+                {
+                    "label": "$testParameter",
+                    "documentation": null
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constants.php.expected.json b/tests/Validation/cases/constants.php.expected.json
index a76c059..ae72c11 100644
--- a/tests/Validation/cases/constants.php.expected.json
+++ b/tests/Validation/cases/constants.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::suite()": {
             "fqn": "MyNamespace\\A::suite()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public static function suite()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constants2.php.expected.json b/tests/Validation/cases/constants2.php.expected.json
index ae5a2ce..4d375ed 100644
--- a/tests/Validation/cases/constants2.php.expected.json
+++ b/tests/Validation/cases/constants2.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::suite()": {
             "fqn": "MyNamespace\\A::suite()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public static function suite()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constants3.php.expected.json b/tests/Validation/cases/constants3.php.expected.json
index c6ad922..6c7a09a 100644
--- a/tests/Validation/cases/constants3.php.expected.json
+++ b/tests/Validation/cases/constants3.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::suite()": {
             "fqn": "MyNamespace\\A::suite()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public static function suite()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constants4.php.expected.json b/tests/Validation/cases/constants4.php.expected.json
index bc46cf1..ae04d1a 100644
--- a/tests/Validation/cases/constants4.php.expected.json
+++ b/tests/Validation/cases/constants4.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->suite()": {
             "fqn": "MyNamespace\\A->suite()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function suite()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constants5.php.expected.json b/tests/Validation/cases/constants5.php.expected.json
index 6bd7b8e..099ee92 100644
--- a/tests/Validation/cases/constants5.php.expected.json
+++ b/tests/Validation/cases/constants5.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\Mbstring": {
             "fqn": "MyNamespace\\Mbstring",
@@ -41,7 +42,8 @@
             },
             "type": null,
             "declarationLine": "class Mbstring",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\Mbstring::MB_CASE_FOLD": {
             "fqn": "MyNamespace\\Mbstring::MB_CASE_FOLD",
@@ -61,7 +63,8 @@
             "type__tostring": "\\MyNamespace\\PHP_INT_MAX",
             "type": {},
             "declarationLine": "const MB_CASE_FOLD = PHP_INT_MAX;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/constantsInFunctionParamDefault.php.expected.json b/tests/Validation/cases/constantsInFunctionParamDefault.php.expected.json
index b49f5a9..4eda839 100644
--- a/tests/Validation/cases/constantsInFunctionParamDefault.php.expected.json
+++ b/tests/Validation/cases/constantsInFunctionParamDefault.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "interface A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A->b()": {
             "fqn": "A->b()",
@@ -42,7 +43,13 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b ($a = MY_CONSTANT);",
-            "documentation": null
+            "documentation": null,
+            "parameters": [
+                {
+                    "label": "$a = MY_CONSTANT",
+                    "documentation": null
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/docBlocksOnNamespaceDefinition.php.expected.json b/tests/Validation/cases/docBlocksOnNamespaceDefinition.php.expected.json
index dd1737a..46702a4 100644
--- a/tests/Validation/cases/docBlocksOnNamespaceDefinition.php.expected.json
+++ b/tests/Validation/cases/docBlocksOnNamespaceDefinition.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/exceptions1.php.expected.json b/tests/Validation/cases/exceptions1.php.expected.json
index c1ee1bd..aa5d581 100644
--- a/tests/Validation/cases/exceptions1.php.expected.json
+++ b/tests/Validation/cases/exceptions1.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/ifStatement1.php.expected.json b/tests/Validation/cases/ifStatement1.php.expected.json
index 98e6572..e8dae26 100644
--- a/tests/Validation/cases/ifStatement1.php.expected.json
+++ b/tests/Validation/cases/ifStatement1.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/interfaceProperty.php.expected.json b/tests/Validation/cases/interfaceProperty.php.expected.json
index 10c49f0..d143e3e 100644
--- a/tests/Validation/cases/interfaceProperty.php.expected.json
+++ b/tests/Validation/cases/interfaceProperty.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "interface A  {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/magicConstantsShouldBeGlobal.php.expected.json b/tests/Validation/cases/magicConstantsShouldBeGlobal.php.expected.json
index a9c2162..e39498e 100644
--- a/tests/Validation/cases/magicConstantsShouldBeGlobal.php.expected.json
+++ b/tests/Validation/cases/magicConstantsShouldBeGlobal.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace B;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/magicConsts.php.expected.json b/tests/Validation/cases/magicConsts.php.expected.json
index 6f863b9..5132f21 100644
--- a/tests/Validation/cases/magicConsts.php.expected.json
+++ b/tests/Validation/cases/magicConsts.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A::$deprecationsTriggered": {
             "fqn": "A::$deprecationsTriggered",
@@ -42,7 +43,8 @@
             "type__tostring": "\\__CLASS__[]",
             "type": {},
             "declarationLine": "private static $deprecationsTriggered;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberAccess1.php.expected.json b/tests/Validation/cases/memberAccess1.php.expected.json
index c039e5e..edb64f7 100644
--- a/tests/Validation/cases/memberAccess1.php.expected.json
+++ b/tests/Validation/cases/memberAccess1.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::a()": {
             "fqn": "MyNamespace\\A::a()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "static function a() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberAccess2.php.expected.json b/tests/Validation/cases/memberAccess2.php.expected.json
index 50902a1..aa257b7 100644
--- a/tests/Validation/cases/memberAccess2.php.expected.json
+++ b/tests/Validation/cases/memberAccess2.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::a()": {
             "fqn": "MyNamespace\\A::a()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "static function a() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberAccess3.php.expected.json b/tests/Validation/cases/memberAccess3.php.expected.json
index d91b27d..fa90d45 100644
--- a/tests/Validation/cases/memberAccess3.php.expected.json
+++ b/tests/Validation/cases/memberAccess3.php.expected.json
@@ -40,7 +40,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -59,7 +60,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::getInitializer()": {
             "fqn": "MyNamespace\\A::getInitializer()",
@@ -79,7 +81,13 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public static function getInitializer(ClassLoader $loader)",
-            "documentation": null
+            "documentation": null,
+            "parameters": [
+                {
+                    "label": "ClassLoader $loader",
+                    "documentation": null
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberAccess4.php.expected.json b/tests/Validation/cases/memberAccess4.php.expected.json
index 0b7e1bf..4b13849 100644
--- a/tests/Validation/cases/memberAccess4.php.expected.json
+++ b/tests/Validation/cases/memberAccess4.php.expected.json
@@ -31,7 +31,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -50,7 +51,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->testRequest()": {
             "fqn": "MyNamespace\\A->testRequest()",
@@ -70,7 +72,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function testRequest()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberAccess5.php.expected.json b/tests/Validation/cases/memberAccess5.php.expected.json
index 050cf3b..3e889fe 100644
--- a/tests/Validation/cases/memberAccess5.php.expected.json
+++ b/tests/Validation/cases/memberAccess5.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\ParseErrorsTest": {
             "fqn": "MyNamespace\\ParseErrorsTest",
@@ -41,7 +42,8 @@
             },
             "type": null,
             "declarationLine": "class ParseErrorsTest {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\ParseErrorsTest->setUp()": {
             "fqn": "MyNamespace\\ParseErrorsTest->setUp()",
@@ -61,7 +63,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function setUp()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/memberCall1.php.expected.json b/tests/Validation/cases/memberCall1.php.expected.json
index d02d7e3..b492993 100644
--- a/tests/Validation/cases/memberCall1.php.expected.json
+++ b/tests/Validation/cases/memberCall1.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\ParseErrorsTest": {
             "fqn": "MyNamespace\\ParseErrorsTest",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class ParseErrorsTest",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\ParseErrorsTest->setAccount()": {
             "fqn": "MyNamespace\\ParseErrorsTest->setAccount()",
@@ -67,7 +69,13 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function setAccount(AccountInterface $account)",
-            "documentation": null
+            "documentation": null,
+            "parameters": [
+                {
+                    "label": "AccountInterface $account",
+                    "documentation": null
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/methodReturnType.php.expected.json b/tests/Validation/cases/methodReturnType.php.expected.json
index 2c89994..7d526f6 100644
--- a/tests/Validation/cases/methodReturnType.php.expected.json
+++ b/tests/Validation/cases/methodReturnType.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class FooClass {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "FooClass->foo()": {
             "fqn": "FooClass->foo()",
@@ -42,7 +43,8 @@
             "type__tostring": "\\FooClass",
             "type": {},
             "declarationLine": "public function foo(): FooClass {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/multipleNamespaces.php.expected.json b/tests/Validation/cases/multipleNamespaces.php.expected.json
index fa51f2d..cc332aa 100644
--- a/tests/Validation/cases/multipleNamespaces.php.expected.json
+++ b/tests/Validation/cases/multipleNamespaces.php.expected.json
@@ -31,7 +31,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace1;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace1\\B": {
             "fqn": "MyNamespace1\\B",
@@ -50,7 +51,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace1\\B->b()": {
             "fqn": "MyNamespace1\\B->b()",
@@ -70,7 +72,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace2": {
             "fqn": "MyNamespace2",
@@ -89,7 +92,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace2;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace2\\A": {
             "fqn": "MyNamespace2\\A",
@@ -110,7 +114,8 @@
             },
             "type": null,
             "declarationLine": "class A extends MyNamespace1\\B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace2\\A->a()": {
             "fqn": "MyNamespace2\\A->a()",
@@ -130,7 +135,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/multiplePreceedingComments.php.expected.json b/tests/Validation/cases/multiplePreceedingComments.php.expected.json
index 96cbb4a..43ac574 100644
--- a/tests/Validation/cases/multiplePreceedingComments.php.expected.json
+++ b/tests/Validation/cases/multiplePreceedingComments.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "class Foo",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Foo->fn()": {
             "fqn": "Foo->fn()",
@@ -38,7 +39,8 @@
             "type__tostring": "\\Iterator",
             "type": {},
             "declarationLine": "public function fn()",
-            "documentation": "Foo"
+            "documentation": "Foo",
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/nameToken.php.expected.json b/tests/Validation/cases/nameToken.php.expected.json
index 37cb4ca..ecd6b17 100644
--- a/tests/Validation/cases/nameToken.php.expected.json
+++ b/tests/Validation/cases/nameToken.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A->b()": {
             "fqn": "A->b()",
@@ -42,7 +43,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/namespaces2.php.expected.json b/tests/Validation/cases/namespaces2.php.expected.json
index 0dffc9f..0de42d0 100644
--- a/tests/Validation/cases/namespaces2.php.expected.json
+++ b/tests/Validation/cases/namespaces2.php.expected.json
@@ -31,7 +31,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace1;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/namespaces5.php.expected.json b/tests/Validation/cases/namespaces5.php.expected.json
index e609ca2..cba87f3 100644
--- a/tests/Validation/cases/namespaces5.php.expected.json
+++ b/tests/Validation/cases/namespaces5.php.expected.json
@@ -40,7 +40,8 @@
             },
             "type": null,
             "declarationLine": "namespace B;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/namespaces6.php.expected.json b/tests/Validation/cases/namespaces6.php.expected.json
index bf5a045..dfe8e8f 100644
--- a/tests/Validation/cases/namespaces6.php.expected.json
+++ b/tests/Validation/cases/namespaces6.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "namespace A \\ B;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/namespaces8.php.expected.json b/tests/Validation/cases/namespaces8.php.expected.json
index d303647..2e4c973 100644
--- a/tests/Validation/cases/namespaces8.php.expected.json
+++ b/tests/Validation/cases/namespaces8.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace LanguageServer\\Tests\\Utils;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/objectCreation.php.expected.json b/tests/Validation/cases/objectCreation.php.expected.json
index 8fec38f..a8a9443 100644
--- a/tests/Validation/cases/objectCreation.php.expected.json
+++ b/tests/Validation/cases/objectCreation.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -41,7 +42,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -61,7 +63,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/objectCreation2.php.expected.json b/tests/Validation/cases/objectCreation2.php.expected.json
index e546528..10806b8 100644
--- a/tests/Validation/cases/objectCreation2.php.expected.json
+++ b/tests/Validation/cases/objectCreation2.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -63,7 +65,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -83,7 +86,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/objectCreation3.php.expected.json b/tests/Validation/cases/objectCreation3.php.expected.json
index d2d3e2f..3e65075 100644
--- a/tests/Validation/cases/objectCreation3.php.expected.json
+++ b/tests/Validation/cases/objectCreation3.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A->a()": {
             "fqn": "A->a()",
@@ -42,7 +43,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/param1.php.expected.json b/tests/Validation/cases/param1.php.expected.json
index 40cfbd1..42fcb5b 100644
--- a/tests/Validation/cases/param1.php.expected.json
+++ b/tests/Validation/cases/param1.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\init()": {
             "fqn": "MyNamespace\\init()",
@@ -42,7 +43,13 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function init(Hi $view)",
-            "documentation": null
+            "documentation": null,
+            "parameters": [
+                {
+                    "label": "Hi $view",
+                    "documentation": null
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/parent1.php.expected.json b/tests/Validation/cases/parent1.php.expected.json
index 56d7e61..cf5740f 100644
--- a/tests/Validation/cases/parent1.php.expected.json
+++ b/tests/Validation/cases/parent1.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -41,7 +42,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -61,7 +63,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -82,7 +85,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -102,7 +106,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/parent3.php.expected.json b/tests/Validation/cases/parent3.php.expected.json
index 3954754..d4b879f 100644
--- a/tests/Validation/cases/parent3.php.expected.json
+++ b/tests/Validation/cases/parent3.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -85,7 +88,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -105,7 +109,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/propertyName1.php.expected.json b/tests/Validation/cases/propertyName1.php.expected.json
index cc31ed6..ca59223 100644
--- a/tests/Validation/cases/propertyName1.php.expected.json
+++ b/tests/Validation/cases/propertyName1.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "class MyClass",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyClass->mainPropertyName": {
             "fqn": "MyClass->mainPropertyName",
@@ -38,7 +39,8 @@
             "type__tostring": "string",
             "type": {},
             "declarationLine": "protected $mainPropertyName;",
-            "documentation": "The name of the main property, or NULL if there is none."
+            "documentation": "The name of the main property, or NULL if there is none.",
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/propertyName2.php.expected.json b/tests/Validation/cases/propertyName2.php.expected.json
index d4efb42..89fb2e2 100644
--- a/tests/Validation/cases/propertyName2.php.expected.json
+++ b/tests/Validation/cases/propertyName2.php.expected.json
@@ -18,7 +18,8 @@
             },
             "type": null,
             "declarationLine": "class MyClass",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyClass->mainPropertyName": {
             "fqn": "MyClass->mainPropertyName",
@@ -38,7 +39,8 @@
             "type__tostring": "string",
             "type": {},
             "declarationLine": "protected $mainPropertyName;",
-            "documentation": "The name of the main property, or NULL if there is none."
+            "documentation": "The name of the main property, or NULL if there is none.",
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/returnType.php.expected.json b/tests/Validation/cases/returnType.php.expected.json
index 20cdadf..17514a5 100644
--- a/tests/Validation/cases/returnType.php.expected.json
+++ b/tests/Validation/cases/returnType.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace TestNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestNamespace\\whatever()": {
             "fqn": "TestNamespace\\whatever()",
@@ -45,7 +46,13 @@
             "type__tostring": "\\TestNamespace\\TestClass",
             "type": {},
             "declarationLine": "function whatever(TestClass $param): TestClass2 {",
-            "documentation": "Aute duis elit reprehenderit tempor cillum proident anim laborum eu laboris reprehenderit ea incididunt."
+            "documentation": "Aute duis elit reprehenderit tempor cillum proident anim laborum eu laboris reprehenderit ea incididunt.",
+            "parameters": [
+                {
+                    "label": "TestClass $param",
+                    "documentation": "Adipisicing non non cillum sint incididunt cillum enim mollit."
+                }
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/scopedPropertyAccess.php.expected.json b/tests/Validation/cases/scopedPropertyAccess.php.expected.json
index ec50c7a..6053848 100644
--- a/tests/Validation/cases/scopedPropertyAccess.php.expected.json
+++ b/tests/Validation/cases/scopedPropertyAccess.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -44,7 +45,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::a()": {
             "fqn": "MyNamespace\\A::a()",
@@ -64,7 +66,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "static function a() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/scopedPropertyAccess2.php.expected.json b/tests/Validation/cases/scopedPropertyAccess2.php.expected.json
index e1712cd..5792927 100644
--- a/tests/Validation/cases/scopedPropertyAccess2.php.expected.json
+++ b/tests/Validation/cases/scopedPropertyAccess2.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/scopedPropertyAccess3.php.expected.json b/tests/Validation/cases/scopedPropertyAccess3.php.expected.json
index 913721b..bd8e7a8 100644
--- a/tests/Validation/cases/scopedPropertyAccess3.php.expected.json
+++ b/tests/Validation/cases/scopedPropertyAccess3.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "class A {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "A::$a": {
             "fqn": "A::$a",
@@ -45,7 +46,8 @@
             "type__tostring": "string",
             "type": {},
             "declarationLine": "static $a;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/scopedPropertyAccess5.php.expected.json b/tests/Validation/cases/scopedPropertyAccess5.php.expected.json
index 7e56123..c0ad235 100644
--- a/tests/Validation/cases/scopedPropertyAccess5.php.expected.json
+++ b/tests/Validation/cases/scopedPropertyAccess5.php.expected.json
@@ -31,7 +31,8 @@
             },
             "type": null,
             "declarationLine": "class TestClass implements TestInterface {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "TestClass::$testProperty": {
             "fqn": "TestClass::$testProperty",
@@ -51,7 +52,8 @@
             "type__tostring": "\\TestClass[]",
             "type": {},
             "declarationLine": "public static $testProperty;",
-            "documentation": "Lorem excepteur officia sit anim velit veniam enim."
+            "documentation": "Lorem excepteur officia sit anim velit veniam enim.",
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/self1.php.expected.json b/tests/Validation/cases/self1.php.expected.json
index fe2bc63..1acd5e5 100644
--- a/tests/Validation/cases/self1.php.expected.json
+++ b/tests/Validation/cases/self1.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/self2.php.expected.json b/tests/Validation/cases/self2.php.expected.json
index 60ab062..d2d0669 100644
--- a/tests/Validation/cases/self2.php.expected.json
+++ b/tests/Validation/cases/self2.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/self3.php.expected.json b/tests/Validation/cases/self3.php.expected.json
index 7d66c2b..03e9c6c 100644
--- a/tests/Validation/cases/self3.php.expected.json
+++ b/tests/Validation/cases/self3.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/self4.php.expected.json b/tests/Validation/cases/self4.php.expected.json
index 64765b7..113eb32 100644
--- a/tests/Validation/cases/self4.php.expected.json
+++ b/tests/Validation/cases/self4.php.expected.json
@@ -37,7 +37,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -56,7 +57,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A::suite()": {
             "fqn": "MyNamespace\\A::suite()",
@@ -76,7 +78,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public static function suite()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/self5.php.expected.json b/tests/Validation/cases/self5.php.expected.json
index eb41832..d19f105 100644
--- a/tests/Validation/cases/self5.php.expected.json
+++ b/tests/Validation/cases/self5.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -41,7 +42,8 @@
             },
             "type": null,
             "declarationLine": "class A",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->typesProvider()": {
             "fqn": "MyNamespace\\A->typesProvider()",
@@ -61,7 +63,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function typesProvider()",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/static1.php.expected.json b/tests/Validation/cases/static1.php.expected.json
index db1a0d2..f96d35a 100644
--- a/tests/Validation/cases/static1.php.expected.json
+++ b/tests/Validation/cases/static1.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/static2.php.expected.json b/tests/Validation/cases/static2.php.expected.json
index bb662cb..f67d26a 100644
--- a/tests/Validation/cases/static2.php.expected.json
+++ b/tests/Validation/cases/static2.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/static3.php.expected.json b/tests/Validation/cases/static3.php.expected.json
index 34d3851..6ba1aa3 100644
--- a/tests/Validation/cases/static3.php.expected.json
+++ b/tests/Validation/cases/static3.php.expected.json
@@ -28,7 +28,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B": {
             "fqn": "MyNamespace\\B",
@@ -47,7 +48,8 @@
             },
             "type": null,
             "declarationLine": "class B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\B->b()": {
             "fqn": "MyNamespace\\B->b()",
@@ -67,7 +69,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function b() {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -88,7 +91,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -108,7 +112,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/static4.php.expected.json b/tests/Validation/cases/static4.php.expected.json
index de71d41..27fbfec 100644
--- a/tests/Validation/cases/static4.php.expected.json
+++ b/tests/Validation/cases/static4.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "namespace MyNamespace;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A": {
             "fqn": "MyNamespace\\A",
@@ -46,7 +47,8 @@
             },
             "type": null,
             "declarationLine": "class A extends B {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "MyNamespace\\A->a()": {
             "fqn": "MyNamespace\\A->a()",
@@ -66,7 +68,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/staticMethodReturnType.php.expected.json b/tests/Validation/cases/staticMethodReturnType.php.expected.json
index e6661ec..cbd886f 100644
--- a/tests/Validation/cases/staticMethodReturnType.php.expected.json
+++ b/tests/Validation/cases/staticMethodReturnType.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class FooClass {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "FooClass::staticFoo()": {
             "fqn": "FooClass::staticFoo()",
@@ -42,7 +43,8 @@
             "type__tostring": "\\FooClass",
             "type": {},
             "declarationLine": "public static function staticFoo(): FooClass {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "FooClass->bar()": {
             "fqn": "FooClass->bar()",
@@ -62,7 +64,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function bar() { }",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/stringVariable.php.expected.json b/tests/Validation/cases/stringVariable.php.expected.json
index 1d4c7e3..44f362a 100644
--- a/tests/Validation/cases/stringVariable.php.expected.json
+++ b/tests/Validation/cases/stringVariable.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "class B",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "B->hi": {
             "fqn": "B->hi",
@@ -42,7 +43,8 @@
             "type__tostring": "int",
             "type": {},
             "declarationLine": "public $hi;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "B->a()": {
             "fqn": "B->a()",
@@ -62,7 +64,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "function a () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/testQualifiedNameOutsideOfNamespace.php.expected.json b/tests/Validation/cases/testQualifiedNameOutsideOfNamespace.php.expected.json
index 509907c..fe037c6 100644
--- a/tests/Validation/cases/testQualifiedNameOutsideOfNamespace.php.expected.json
+++ b/tests/Validation/cases/testQualifiedNameOutsideOfNamespace.php.expected.json
@@ -22,7 +22,8 @@
             },
             "type": null,
             "declarationLine": "namespace SomeNamespace { }",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Validation/cases/verifyFqsenOnClassProperty.php.expected.json b/tests/Validation/cases/verifyFqsenOnClassProperty.php.expected.json
index 662a7ed..e381968 100644
--- a/tests/Validation/cases/verifyFqsenOnClassProperty.php.expected.json
+++ b/tests/Validation/cases/verifyFqsenOnClassProperty.php.expected.json
@@ -25,7 +25,8 @@
             },
             "type": null,
             "declarationLine": "class Foo {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Foo->bar": {
             "fqn": "Foo->bar",
@@ -45,7 +46,8 @@
             "type__tostring": "\\",
             "type": {},
             "declarationLine": "protected $bar;",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         },
         "Foo->foo()": {
             "fqn": "Foo->foo()",
@@ -65,7 +67,8 @@
             "type__tostring": "mixed",
             "type": {},
             "declarationLine": "public function foo () {",
-            "documentation": null
+            "documentation": null,
+            "parameters": []
         }
     }
 }
\ No newline at end of file