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