OptionalDataThis property has to be defined only when using DataTableRenderMode.
OptionalDisplayThis property may be defined only when using DropDownRenderMode or AutoCompleteRenderMode.
OptionalEmitThis property may be defined only when using DropDownRenderMode or AutoCompleteRenderMode.
Defines what RenderMode is used.
This interface is a union of AutoCompleteRenderMode, DropDownRenderMode and DataTableRenderMode. This means that you should use properties from only one of the interfaces listed.