method Node.isTypedimport { Node } from "https://deno.land/x/fresh@1.7.1/src/dev/deps.ts"; isTyped<T extends Node>(node: T | undefined): node is TypedNode & TypedNodeExtensionType & TGets if the node is a TypedNode. Gets if the node is a TypedNode. Type ParametersT extends NodeParametersnode: T | undefinedReturnsnode is TypedNode & TypedNodeExtensionType & T