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