Package org.zkoss.stateless.sul

## Interface ISingleChildable<R,​T extends IComponent>

- All Known Subinterfaces:
    `IBandbox`, `ICenter<I>`, `ICombobutton`, `IEast<I>`, `IMenu`, `IMultislider`, `INorth<I>`, `IPdfviewer`, `IRangeslider`, `IRangesliderBase<I>`, `IRowchildren<I>`, `ISouth<I>`, `IWest<I>`

      public interface ISingleChildable<R,​T extends IComponent>

  An interface to indicate only one child is allowed for `IComponent`.
  Author:
    katherine

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `T` | `getChild()` |
    `R` | `withChild​(T child)` |

- - ### Method Detail

    - #### getChild

          @Nullable
          T getChild()

    - #### withChild

          R withChild​(@Nullable
                      T child)