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