Fix

src/Psalm/Internal/Provider/FunctionExistenceProvider.php

@@ -36,7 +36,7 @@ final class FunctionExistenceProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, FunctionExistenceProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'doesFunctionExist']);
+            $callable = $class::doesFunctionExist(...);
 
             foreach ($class::getFunctionIds() as $function_id) {
                 $this->registerClosure($function_id, $callable);

src/Psalm/Internal/Provider/FunctionParamsProvider.php

@@ -38,7 +38,7 @@ final class FunctionParamsProvider
      */
     public function registerClass(string $class): void
     {
-        $callable = Closure::fromCallable([$class, 'getFunctionParams']);
+        $callable = $class::getFunctionParams(...);
 
         foreach ($class::getFunctionIds() as $function_id) {
             $this->registerClosure($function_id, $callable);

src/Psalm/Internal/Provider/FunctionReturnTypeProvider.php

@@ -117,7 +117,7 @@ final class FunctionReturnTypeProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, FunctionReturnTypeProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'getFunctionReturnType']);
+            $callable = $class::getFunctionReturnType(...);
 
             foreach ($class::getFunctionIds() as $function_id) {
                 $this->registerClosure($function_id, $callable);

src/Psalm/Internal/Provider/MethodExistenceProvider.php

@@ -35,7 +35,7 @@ final class MethodExistenceProvider
      */
     public function registerClass(string $class): void
     {
-        $callable = Closure::fromCallable([$class, 'doesMethodExist']);
+        $callable = $class::doesMethodExist(...);
 
         foreach ($class::getClassLikeNames() as $fq_classlike_name) {
             $this->registerClosure($fq_classlike_name, $callable);

src/Psalm/Internal/Provider/MethodParamsProvider.php

@@ -44,7 +44,7 @@ final class MethodParamsProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, MethodParamsProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'getMethodParams']);
+            $callable = $class::getMethodParams(...);
 
             foreach ($class::getClassLikeNames() as $fq_classlike_name) {
                 $this->registerClosure($fq_classlike_name, $callable);

src/Psalm/Internal/Provider/MethodReturnTypeProvider.php

@@ -51,7 +51,7 @@ final class MethodReturnTypeProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, MethodReturnTypeProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'getMethodReturnType']);
+            $callable = $class::getMethodReturnType(...);
 
             foreach ($class::getClassLikeNames() as $fq_classlike_name) {
                 $this->registerClosure($fq_classlike_name, $callable);

src/Psalm/Internal/Provider/MethodVisibilityProvider.php

@@ -39,7 +39,7 @@ final class MethodVisibilityProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, MethodVisibilityProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'isMethodVisible']);
+            $callable = $class::isMethodVisible(...);
 
             foreach ($class::getClassLikeNames() as $fq_classlike_name) {
                 $this->registerClosure($fq_classlike_name, $callable);

src/Psalm/Internal/Provider/PropertyExistenceProvider.php

@@ -39,7 +39,7 @@ final class PropertyExistenceProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, PropertyExistenceProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'doesPropertyExist']);
+            $callable = $class::doesPropertyExist(...);
 
             foreach ($class::getClassLikeNames() as $fq_classlike_name) {
                 $this->registerClosure($fq_classlike_name, $callable);

src/Psalm/Internal/Provider/PropertyTypeProvider.php

@@ -41,7 +41,7 @@ final class PropertyTypeProvider
     public function registerClass(string $class): void
     {
         if (is_subclass_of($class, PropertyTypeProviderInterface::class, true)) {
-            $callable = Closure::fromCallable([$class, 'getPropertyType']);
+            $callable = $class::getPropertyType(...);
 
             foreach ($class::getClassLikeNames() as $fq_classlike_name) {
                 $this->registerClosure($fq_classlike_name, $callable);