PhpParser\NodeVisitor\NameResolver::resolveOtherName PHP Method

    protected function resolveOtherName(Name $name, $type) {
        if ($this->preserveOriginalNames) {
            // Save the original name
            $originalName = $name;
            $name = clone $originalName;
            $name->setAttribute('originalName', $originalName);
        }

        // fully qualified names are already resolved
        if ($name->isFullyQualified()) {
            return $name;
        }

        // resolve aliases for qualified names
        $aliasName = strtolower($name->getFirst());
        if ($name->isQualified() && isset($this->aliases[Stmt\Use_::TYPE_NORMAL][$aliasName])) {
            $alias = $this->aliases[Stmt\Use_::TYPE_NORMAL][$aliasName];
            return FullyQualified::concat($alias, $name->slice(1), $name->getAttributes());
        }

        if ($name->isUnqualified()) {
            if ($type === Stmt\Use_::TYPE_CONSTANT) {
                // constant aliases are case-sensitive, function aliases case-insensitive
                $aliasName = $name->getFirst();
            }

            if (isset($this->aliases[$type][$aliasName])) {
                // resolve unqualified aliases
                return new FullyQualified($this->aliases[$type][$aliasName], $name->getAttributes());
            }

            if (null === $this->namespace) {
                // outside of a namespace unaliased unqualified is same as fully qualified
                return new FullyQualified($name, $name->getAttributes());
            }

            // unqualified names inside a namespace cannot be resolved at compile-time
            // add the namespaced version of the name as an attribute
            $name->setAttribute('namespacedName',
                FullyQualified::concat($this->namespace, $name, $name->getAttributes()));
            return $name;
        }

        // if no alias exists prepend current namespace
        return FullyQualified::concat($this->namespace, $name, $name->getAttributes());
    }

 protected function resolveOtherName(Name $name, $type)
 {
     if (!$name instanceof FullyQualified) {
         $name->setAttribute('resolvedFqcn', parent::resolveOtherName($name, $type));
     }
     return $name;
 }