diff --git a/src/FqnUtilities.php b/src/FqnUtilities.php
index f4b5375..40cb487 100644
--- a/src/FqnUtilities.php
+++ b/src/FqnUtilities.php
@@ -29,10 +29,10 @@ class FqnUtilities
     /**
      * Returns all possible FQNs in a type
      *
-     * @param Type $type
+     * @param Type|null $type
      * @return string[]
      */
-    public static function getFqnsFromType(Type $type): array
+    public static function getFqnsFromType($type): array
     {
         $fqns = [];
         if ($type instanceof Types\Object_) {
diff --git a/src/TolerantDefinitionResolver.php b/src/TolerantDefinitionResolver.php
index 38d2ce7..810eb9f 100644
--- a/src/TolerantDefinitionResolver.php
+++ b/src/TolerantDefinitionResolver.php
@@ -537,9 +537,9 @@ class TolerantDefinitionResolver
      * If the type could not be resolved, returns Types\Mixed.
      *
      * @param Tolerant\Node\Expression $expr
-     * @return \phpDocumentor\Reflection\Type
+     * @return \phpDocumentor\Reflection\Type|null
      */
-    public function resolveExpressionNodeToType($expr): Type
+    public function resolveExpressionNodeToType($expr)
     {
         if ($expr == null || $expr instanceof Tolerant\MissingToken || $expr instanceof Tolerant\SkippedToken) {
             // TODO some members are null or Missing/SkippedToken