SelectModelVisitor (Tapestry API - 5.9.0)

All Known Implementing Classes:

SelectModelRenderer
```
public interface SelectModelVisitor
```
Callback interface that allows for visiting the option groups and option models of a select model in correct order order.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`beginOptionGroup(OptionGroupModel groupModel)`	Invoked once for each `OptionGroupModel`, just before invoking `option(OptionModel)` for each embedded option within the group.
`void`	`endOptionGroup(OptionGroupModel groupModel)`	Invoked after all options within the group have been visited.
`void`	`option(OptionModel optionModel)`	Invoked for each option within a group, and at the end, for each ungrouped option.

- Method Detail
  - beginOptionGroup
```
void beginOptionGroup(OptionGroupModel groupModel)
```
    Invoked once for each OptionGroupModel, just before invoking option(OptionModel) for each embedded option within the group.
  - option
```
void option(OptionModel optionModel)
```
    Invoked for each option within a group, and at the end, for each ungrouped option.
    
    Parameters:
    
    optionModel -
  - endOptionGroup
```
void endOptionGroup(OptionGroupModel groupModel)
```
    Invoked after all options within the group have been visited.