method Node.isTypePredicateimport { Node } from "https://deno.land/x/fresh@1.1.3/src/dev/deps.ts"; isTypePredicate(node: Node | undefined): node is TypePredicateNodeGets if the node is a TypePredicateNode. Gets if the node is a TypePredicateNode. Parametersnode: Node | undefined Node to check. Returnsnode is TypePredicateNode