function getMetadataForGuardimport { getMetadataForGuard } from "https://deno.land/x/oak_nest@v1.15.0/src/guard.ts"; getMetadataForGuard<T = any>(metadataKey: string, context: Context): T | undefinedType ParametersoptionalT = anyParametersmetadataKey: stringcontext: ContextReturnsT | undefined