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