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