in src/main/scala-3/org/apache/logging/log4j/scala/LoggerMacro.scala [246:250]
def warnMarkerCseqThrowable(underlying: Expr[Logger], marker: Expr[Marker], message: Expr[CharSequence],
throwable: Expr[Throwable])(using Quotes): Expr[Unit] = {
val (messageFormat, args) = deconstructInterpolatedMessage(message)
logMarkerMessageArgsThrowable(underlying, '{Level.WARN}, marker, messageFormat, Expr.ofSeq(args), throwable)
}