public static ComponentBuilder <TConfig, Well> SetSize <TConfig>(this ComponentBuilder <TConfig, Well> builder, WellSize size)
     where TConfig : BootstrapConfig
 {
     builder.Component.ToggleCss(size);
     return(builder);
 }
 public static Well <THelper> SetSize <THelper>(this Well <THelper> well, WellSize size)
     where THelper : BootstrapHelper <THelper>
 {
     return(well.ToggleCss(size));
 }