buildVararg
fun buildVararg(builder: DeclarationIrBuilder, function: IrFunction, tags: List<Pair<String, String>>, tagsParam: IrValueParameter, annotationName: String): IrExpression(source)
Builds the tags as the vararg tags: Pair<String, Any> argument described by tagsParam (e.g. Meter.timed's). When Pair cannot be resolved, the failure is reported against annotationName and the empty vararg is returned, so instrumentation proceeds without tags.