public function createDefinitionFromNode(Node $node, string $fqn = null): Definition
    {
        $def = new Definition;
        $def->fqn = $fqn;

        // Determines whether the suggestion will show after "new"
        $def->canBeInstantiated = (
            $node instanceof Node\Statement\ClassDeclaration &&
            // check whether it is not an abstract class
            ($node->abstractOrFinalModifier === null || $node->abstractOrFinalModifier->kind !== PhpParser\TokenKind::AbstractKeyword)
        );

        // Interfaces, classes, traits, namespaces, functions, and global const elements
        $def->isMember = !(
            $node instanceof PhpParser\ClassLike ||

            ($node instanceof Node\Statement\NamespaceDefinition && $node->name !== null) ||

            $node instanceof Node\Statement\FunctionDeclaration ||

            ($node instanceof Node\ConstElement && $node->parent->parent instanceof Node\Statement\ConstDeclaration)
        );

        // Definition is affected by global namespace fallback if it is a global constant or a global function
        $def->roamed = (
            $fqn !== null
            && strpos($fqn, '\\') === false
            && (
                ($node instanceof Node\ConstElement && $node->parent->parent instanceof Node\Statement\ConstDeclaration)
                || $node instanceof Node\Statement\FunctionDeclaration
            )
        );

        // Static methods and static property declarations
        $def->isStatic = (
            ($node instanceof Node\MethodDeclaration && $node->isStatic()) ||

            (($propertyDeclaration = ParserHelpers\tryGetPropertyDeclaration($node)) !== null
            && $propertyDeclaration->isStatic())
        );

        if ($node instanceof Node\Statement\ClassDeclaration &&
            // TODO - this should be better represented in the parser API
            $node->classBaseClause !== null && $node->classBaseClause->baseClass !== null) {
            $def->extends = [(string)$node->classBaseClause->baseClass->getResolvedName()];
        } elseif (
            $node instanceof Node\Statement\InterfaceDeclaration &&
            // TODO - this should be better represented in the parser API
            $node->interfaceBaseClause !== null && $node->interfaceBaseClause->interfaceNameList !== null
        ) {
            $def->extends = [];
            foreach ($node->interfaceBaseClause->interfaceNameList->getValues() as $n) {
                $def->extends[] = (string)$n->getResolvedName();
            }
        }

        $def->symbolInformation = SymbolInformationFactory::fromNode($node, $fqn);

        if ($def->symbolInformation !== null) {
            $def->type = $this->getTypeFromNode($node);
            $def->declarationLine = $this->getDeclarationLineFromNode($node);
            $def->documentation = $this->getDocumentationFromNode($node);
        }

        if ($node instanceof FunctionLike) {
            $def->signatureInformation = $this->signatureInformationFactory->create($node);
        }

        return $def;
    }