Fix exception thrown when getting completions on Definitions with a null type- this is expected

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_) {

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