method Node.isUnwrappableimport { Node } from "https://dotland.deno.dev/x/fresh@1.7.3/src/dev/deps.ts"; isUnwrappable<T extends Node>(node: T | undefined): node is UnwrappableNode & UnwrappableNodeExtensionType & TGets if the node is a UnwrappableNode. Gets if the node is a UnwrappableNode. Type ParametersT extends NodeParametersnode: T | undefinedReturnsnode is UnwrappableNode & UnwrappableNodeExtensionType & T