method Node.isChildOrderableimport { Node } from "https://dotland.deno.dev/x/fresh@1.1.1/src/dev/deps.ts"; isChildOrderable<T extends Node>(node: T | undefined): node is ChildOrderableNode & ChildOrderableNodeExtensionType & TGets if the node is a ChildOrderableNode. Gets if the node is a ChildOrderableNode. Type ParametersT extends NodeParametersnode: T | undefined Node to check. Returnsnode is ChildOrderableNode & ChildOrderableNodeExtensionType & T