📘 Standard LibraryJS APIinterfaces[I] TracerVersion: Next 🚧On this page[I] TracerMethods sub() sub(subarea): Tracer Parameters ParameterTypeDescriptionsubareastring Returns Tracer trace() trace( area, message, target?): void Trace Parameters ParameterTypeDescriptionareastringmessagestringtarget?DiagnosticTarget- Returns void