in src/BundledBindings/HttpTriggerBinding.cs [46:51]
public override bool ShouldUseDefaultOutputBindings(List<BindingInformation> existingOutputBindings)
{
IEnumerable<BindingInformation> httpOutputBindings = existingOutputBindings.Where(x => x.Type == Constants.BindingNames.Http &&
x.Direction == BindingInformation.Directions.Out);
return !httpOutputBindings.Any();
}