If my UART driver returns a capability as false, does it mean the hardware is not capable?

I need a timeout event for my UART receiver. I followed guide to get the capabilites of the driver. It returned false for Event Rx Timout. Does this mean that the µC is not capable of it? In my case it is an LPC1769

According to the documentation it means that the hardware isn't capable of it. I mean, if it was the manufacturer would have surely impelmented it. I really want to make sure. My superordinate tells me it is capable of it, but to me it seems evident that it is not.

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