private int?ExtractMutationIfAndId(SyntaxNode node)
{
var(engine, id) = MutantPlacer.FindEngine(node);
if (engine == null)
{
return(null);
}
Logger.LogDebug(id == -1 ? $"Found a helper (engine:{engine})." : $"Found mutant {id} (controlled by {engine}).");
return(id);
}
