Preventing Edge Connections Between Specific Anchors

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Hello,

Is it possible to prevent edge formation from one specific anchor to another? For example, I want to manually create edge connections from a selected anchor element to another anchor element in the browser, but I want to define certain exceptions. For instance, I'd like to prevent edge connections between a specific anchor and another specific anchor. In an #if connecting condition, can I make the input anchor element invisible?

Thanks.