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strictFunctionTypes is correct, but it's very inconvenient.
It complains about all

{
	"NodeA|NodeB"(path: NodePath<NodeA | NodeB>) {
	} 
}

Users will encounter the same issue if they enable it. (Especially since TS6.0, this has become the default option.)
Do you have any ideas?

Open in StackBlitz

commit: 53b9f0b