diff --git a/src/Reflection/Annotations/AnnotationMethodReflection.php b/src/Reflection/Annotations/AnnotationMethodReflection.php
index d33665d4b8a..3c315113896 100644
--- a/src/Reflection/Annotations/AnnotationMethodReflection.php
+++ b/src/Reflection/Annotations/AnnotationMethodReflection.php
@@ -4,14 +4,14 @@
 
 use PHPStan\Reflection\ClassMemberReflection;
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\FunctionVariant;
-use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\ParametersAcceptor;
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\Generic\TemplateTypeMap;
 use PHPStan\Type\Type;
 
-class AnnotationMethodReflection implements MethodReflection
+class AnnotationMethodReflection implements ExtendedMethodReflection
 {
 
 	/** @var FunctionVariant[]|null */
diff --git a/src/Reflection/Annotations/AnnotationsMethodsClassReflectionExtension.php b/src/Reflection/Annotations/AnnotationsMethodsClassReflectionExtension.php
index a51ab77b65c..6b3edc1c524 100644
--- a/src/Reflection/Annotations/AnnotationsMethodsClassReflectionExtension.php
+++ b/src/Reflection/Annotations/AnnotationsMethodsClassReflectionExtension.php
@@ -3,6 +3,7 @@
 namespace PHPStan\Reflection\Annotations;
 
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\MethodsClassReflectionExtension;
 use PHPStan\Type\Generic\TemplateTypeHelper;
@@ -11,7 +12,7 @@
 class AnnotationsMethodsClassReflectionExtension implements MethodsClassReflectionExtension
 {
 
-	/** @var MethodReflection[][] */
+	/** @var ExtendedMethodReflection[][] */
 	private array $methods = [];
 
 	public function hasMethod(ClassReflection $classReflection, string $methodName): bool
@@ -27,6 +28,9 @@ public function hasMethod(ClassReflection $classReflection, string $methodName):
 		return isset($this->methods[$classReflection->getCacheKey()][$methodName]);
 	}
 
+	/**
+	 * @return ExtendedMethodReflection
+	 */
 	public function getMethod(ClassReflection $classReflection, string $methodName): MethodReflection
 	{
 		return $this->methods[$classReflection->getCacheKey()][$methodName];
diff --git a/src/Reflection/ClassReflection.php b/src/Reflection/ClassReflection.php
index 59c9512022e..3c91999c58b 100644
--- a/src/Reflection/ClassReflection.php
+++ b/src/Reflection/ClassReflection.php
@@ -63,7 +63,7 @@
 class ClassReflection
 {
 
-	/** @var MethodReflection[] */
+	/** @var ExtendedMethodReflection[] */
 	private array $methods = [];
 
 	/** @var PropertyReflection[] */
@@ -365,7 +365,7 @@ public function hasMethod(string $methodName): bool
 		return false;
 	}
 
-	public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope): MethodReflection
+	public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope): ExtendedMethodReflection
 	{
 		$key = $methodName;
 		if ($scope->isInClass()) {
@@ -377,7 +377,7 @@ public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope):
 					continue;
 				}
 
-				$method = $extension->getMethod($this, $methodName);
+				$method = $this->wrapExtendedMethod($extension->getMethod($this, $methodName));
 				if ($scope->canCallMethod($method)) {
 					return $this->methods[$key] = $method;
 				}
@@ -392,12 +392,21 @@ public function getMethod(string $methodName, ClassMemberAccessAnswerer $scope):
 		return $this->methods[$key];
 	}
 
+	private function wrapExtendedMethod(MethodReflection $method): ExtendedMethodReflection
+	{
+		if ($method instanceof ExtendedMethodReflection) {
+			return $method;
+		}
+
+		return new WrappedExtendedMethodReflection($method);
+	}
+
 	public function hasNativeMethod(string $methodName): bool
 	{
 		return $this->getPhpExtension()->hasNativeMethod($this, $methodName);
 	}
 
-	public function getNativeMethod(string $methodName): MethodReflection
+	public function getNativeMethod(string $methodName): ExtendedMethodReflection
 	{
 		if (!$this->hasNativeMethod($methodName)) {
 			throw new MissingMethodFromReflectionException($this->getName(), $methodName);
@@ -410,7 +419,7 @@ public function hasConstructor(): bool
 		return $this->findConstructor() !== null;
 	}
 
-	public function getConstructor(): MethodReflection
+	public function getConstructor(): ExtendedMethodReflection
 	{
 		$constructor = $this->findConstructor();
 		if ($constructor === null) {
diff --git a/src/Reflection/ExtendedMethodReflection.php b/src/Reflection/ExtendedMethodReflection.php
new file mode 100644
index 00000000000..a3c2667f20c
--- /dev/null
+++ b/src/Reflection/ExtendedMethodReflection.php
@@ -0,0 +1,19 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Reflection;
+
+/**
+ * The purpose of this interface is to be able to
+ * answer more questions about methods
+ * without breaking backward compatibility
+ * with existing MethodsClassReflectionExtension.
+ *
+ * Developers are meant to only use the MethodReflection
+ * and its methods in their code.
+ *
+ * Methods on ExtendedMethodReflection are subject to change.
+ */
+interface ExtendedMethodReflection extends MethodReflection
+{
+
+}
diff --git a/src/Reflection/Native/NativeMethodReflection.php b/src/Reflection/Native/NativeMethodReflection.php
index 5748707bb1b..2f96c22da04 100644
--- a/src/Reflection/Native/NativeMethodReflection.php
+++ b/src/Reflection/Native/NativeMethodReflection.php
@@ -4,8 +4,8 @@
 
 use PHPStan\Reflection\ClassMemberReflection;
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\MethodPrototypeReflection;
-use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\ParametersAcceptorWithPhpDocs;
 use PHPStan\Reflection\Php\BuiltinMethodReflection;
 use PHPStan\Reflection\ReflectionProvider;
@@ -16,7 +16,7 @@
 use ReflectionException;
 use function strtolower;
 
-class NativeMethodReflection implements MethodReflection
+class NativeMethodReflection implements ExtendedMethodReflection
 {
 
 	/**
diff --git a/src/Reflection/Php/EnumCasesMethodReflection.php b/src/Reflection/Php/EnumCasesMethodReflection.php
index d5f86b45c85..502e73d4367 100644
--- a/src/Reflection/Php/EnumCasesMethodReflection.php
+++ b/src/Reflection/Php/EnumCasesMethodReflection.php
@@ -4,15 +4,15 @@
 
 use PHPStan\Reflection\ClassMemberReflection;
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\FunctionVariant;
-use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\ParametersAcceptor;
 use PHPStan\ShouldNotHappenException;
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\Generic\TemplateTypeMap;
 use PHPStan\Type\Type;
 
-class EnumCasesMethodReflection implements MethodReflection
+class EnumCasesMethodReflection implements ExtendedMethodReflection
 {
 
 	public function __construct(private ClassReflection $declaringClass, private Type $returnType)
diff --git a/src/Reflection/Php/PhpClassReflectionExtension.php b/src/Reflection/Php/PhpClassReflectionExtension.php
index da14eb6cee4..3e3426b6dca 100644
--- a/src/Reflection/Php/PhpClassReflectionExtension.php
+++ b/src/Reflection/Php/PhpClassReflectionExtension.php
@@ -19,6 +19,7 @@
 use PHPStan\Reflection\Annotations\AnnotationsMethodsClassReflectionExtension;
 use PHPStan\Reflection\Annotations\AnnotationsPropertiesClassReflectionExtension;
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\FunctionVariantWithPhpDocs;
 use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\MethodsClassReflectionExtension;
@@ -68,10 +69,10 @@ class PhpClassReflectionExtension
 	/** @var PhpPropertyReflection[][] */
 	private array $nativeProperties = [];
 
-	/** @var MethodReflection[][] */
+	/** @var ExtendedMethodReflection[][] */
 	private array $methodsIncludingAnnotations = [];
 
-	/** @var MethodReflection[][] */
+	/** @var ExtendedMethodReflection[][] */
 	private array $nativeMethods = [];
 
 	/** @var array<string, array<string, Type>> */
@@ -375,7 +376,7 @@ public function hasMethod(ClassReflection $classReflection, string $methodName):
 		return $classReflection->getNativeReflection()->hasMethod($methodName);
 	}
 
-	public function getMethod(ClassReflection $classReflection, string $methodName): MethodReflection
+	public function getMethod(ClassReflection $classReflection, string $methodName): ExtendedMethodReflection
 	{
 		if (isset($this->methodsIncludingAnnotations[$classReflection->getCacheKey()][$methodName])) {
 			return $this->methodsIncludingAnnotations[$classReflection->getCacheKey()][$methodName];
@@ -411,7 +412,7 @@ public function hasNativeMethod(ClassReflection $classReflection, string $method
 		return false;
 	}
 
-	public function getNativeMethod(ClassReflection $classReflection, string $methodName): MethodReflection
+	public function getNativeMethod(ClassReflection $classReflection, string $methodName): ExtendedMethodReflection
 	{
 		if (isset($this->nativeMethods[$classReflection->getCacheKey()][$methodName])) {
 			return $this->nativeMethods[$classReflection->getCacheKey()][$methodName];
@@ -450,7 +451,7 @@ private function createMethod(
 		ClassReflection $classReflection,
 		BuiltinMethodReflection $methodReflection,
 		bool $includingAnnotations,
-	): MethodReflection
+	): ExtendedMethodReflection
 	{
 		if ($includingAnnotations && $this->annotationsMethodsClassReflectionExtension->hasMethod($classReflection, $methodReflection->getName())) {
 			$hierarchyDistances = $classReflection->getClassHierarchyDistances();
diff --git a/src/Reflection/Php/PhpMethodReflection.php b/src/Reflection/Php/PhpMethodReflection.php
index 711051fdb3e..715d71ff93c 100644
--- a/src/Reflection/Php/PhpMethodReflection.php
+++ b/src/Reflection/Php/PhpMethodReflection.php
@@ -13,10 +13,10 @@
 use PHPStan\Parser\Parser;
 use PHPStan\Reflection\ClassMemberReflection;
 use PHPStan\Reflection\ClassReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\FunctionVariantWithPhpDocs;
 use PHPStan\Reflection\InitializerExprTypeResolver;
 use PHPStan\Reflection\MethodPrototypeReflection;
-use PHPStan\Reflection\MethodReflection;
 use PHPStan\Reflection\ParameterReflectionWithPhpDocs;
 use PHPStan\Reflection\ParametersAcceptor;
 use PHPStan\Reflection\ParametersAcceptorWithPhpDocs;
@@ -44,7 +44,7 @@
 use const PHP_VERSION_ID;
 
 /** @api */
-class PhpMethodReflection implements MethodReflection
+class PhpMethodReflection implements ExtendedMethodReflection
 {
 
 	/** @var PhpParameterReflection[]|null */
diff --git a/src/Reflection/WrappedExtendedMethodReflection.php b/src/Reflection/WrappedExtendedMethodReflection.php
new file mode 100644
index 00000000000..dd8b93347fa
--- /dev/null
+++ b/src/Reflection/WrappedExtendedMethodReflection.php
@@ -0,0 +1,85 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Reflection;
+
+use PHPStan\TrinaryLogic;
+use PHPStan\Type\Type;
+
+class WrappedExtendedMethodReflection implements ExtendedMethodReflection
+{
+
+	public function __construct(private MethodReflection $method)
+	{
+	}
+
+	public function getDeclaringClass(): ClassReflection
+	{
+		return $this->method->getDeclaringClass();
+	}
+
+	public function isStatic(): bool
+	{
+		return $this->method->isStatic();
+	}
+
+	public function isPrivate(): bool
+	{
+		return $this->method->isPrivate();
+	}
+
+	public function isPublic(): bool
+	{
+		return $this->method->isPublic();
+	}
+
+	public function getDocComment(): ?string
+	{
+		return $this->method->getDocComment();
+	}
+
+	public function getName(): string
+	{
+		return $this->method->getName();
+	}
+
+	public function getPrototype(): ClassMemberReflection
+	{
+		return $this->method->getPrototype();
+	}
+
+	public function getVariants(): array
+	{
+		return $this->method->getVariants();
+	}
+
+	public function isDeprecated(): TrinaryLogic
+	{
+		return $this->method->isDeprecated();
+	}
+
+	public function getDeprecatedDescription(): ?string
+	{
+		return $this->method->getDeprecatedDescription();
+	}
+
+	public function isFinal(): TrinaryLogic
+	{
+		return $this->method->isFinal();
+	}
+
+	public function isInternal(): TrinaryLogic
+	{
+		return $this->method->isInternal();
+	}
+
+	public function getThrowType(): ?Type
+	{
+		return $this->method->getThrowType();
+	}
+
+	public function hasSideEffects(): TrinaryLogic
+	{
+		return $this->method->hasSideEffects();
+	}
+
+}
diff --git a/src/Rules/Methods/MethodSignatureRule.php b/src/Rules/Methods/MethodSignatureRule.php
index 66644363dc4..3065030aba8 100644
--- a/src/Rules/Methods/MethodSignatureRule.php
+++ b/src/Rules/Methods/MethodSignatureRule.php
@@ -6,7 +6,7 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Node\InClassMethodNode;
 use PHPStan\Reflection\ClassReflection;
-use PHPStan\Reflection\MethodReflection;
+use PHPStan\Reflection\ExtendedMethodReflection;
 use PHPStan\Reflection\ParameterReflectionWithPhpDocs;
 use PHPStan\Reflection\ParametersAcceptorSelector;
 use PHPStan\Reflection\ParametersAcceptorWithPhpDocs;
@@ -120,7 +120,7 @@ public function processNode(Node $node, Scope $scope): array
 	}
 
 	/**
-	 * @return MethodReflection[]
+	 * @return ExtendedMethodReflection[]
 	 */
 	private function collectParentMethods(string $methodName, ClassReflection $class): array
 	{