Maybe this is something I missed in documentation, but how is one meant to tell if a signal inlet is connected or not when you get the dsp method call? I'm experiencing some artifacts in an external that  otherwise works quite well, if I have gaps in its set of input signals (6 of them in this instance) actually connected.

I have read the signal processing chain setup code in the past, but I haven't retained very much from that read. Is there something easy that I have missed?
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