method Node.isTypePredicateimport { Node } from "https://dotland.deno.dev/x/fresh@1.6.7/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 | undefinedReturnsnode is TypePredicateNode