Can you create hidden line item properties when using App Bridge + POS Cart?

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Per this thread:

For web cart if you add an underscore to the line item property name, it becomes hidden (same with if you use a number as the value instead of string). I have tried and this does not work for POS cart line item properties - as a result, they show both in the cart as well as the customer receipt. This occurs for existing products that have a variantId (meanwhile, for custom sale line items, all line item properties are hidden).  Is there an equivalent workaround for POS Cart?