How to query whether a target is an INTERFACE library in CMake

In modern CMake one can specify a library as INTERFACE: it does not produce build output, but it can have properties associated to it, although not all properties can be set (for instance the FOLDER property is not supported). Say I have a generic CMake macro setting properties for a generic library target, is there a way to tell that the input target is an interface library, so that I can skip the unsupported properties only for that target?