Distinguishing a Vehicle's Interior From Exterior and the Limits of Decore

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I have very detailed models of full vehicles and would like to be able to separate the interior components from the exterior components. When viewing the model in a VR experience I would like to view only the exterior or only the interior. This will greatly increase the performance required when viewing the models. Our current method is to manually go through and identify which parts need to be present during each experience (interior or exterior). I am in search of a way to potentially automate this process.
For example, the 'Decore' option in the Geometry Editor is a good start. I can use this to maintain the exterior structure while removing unnecessary parts on the interior. However, if I want to do the reverse (remove exterior parts that cannot be viewed from the interior such as the license plate or an outer door panel) I am not sure how to proceed.
My initial thought was to identify parts that would be removed by 'decore' and keep them while removing the parts that 'decore' would not touch. However, I do not think that this is possible with the current options available. My understanding is that there is also no scripting api related to 'decore.'
Another approach could be to write a script that behaves in a similar manner but tags parts instead of removing them but I do not know which api functions would be the best to achieve this.
Does VRED (pro 2019.3) currently have a way of achieving my goal of distinguishing interior parts from exterior parts? If not, is there another approach that I may take?
Thanks.