method Node.isimport { Node } from "https://deno.land/x/fresh@1.6.1/src/dev/deps.ts"; is<TKind extends keyof KindToNodeMappings>(kind: TKind): (node: Node | undefined) => node is KindToNodeMappings[TKind]Creates a type guard for syntax kinds. Creates a type guard for syntax kinds. Type ParametersTKind extends keyof KindToNodeMappingsParameterskind: TKindReturns(node: Node | undefined) => node is KindToNodeMappings[TKind]