It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

ZenScript
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import contenttweaker.object.vanilla.property.StandardItemProperties;

StandardItemProperties extends ItemProperties. That means all methods available in ItemProperties are also available in StandardItemProperties

Name	Type	Has Getter	Has Setter
Name type	Type string	Has Getter true	Has Setter false