How to hide a table context button?

 for(TaskServiceQuery task:taskS.queryHistoryTask()) {
TestPage.Table_1 t = new TestPage.Table_1();
t.setNum_processo(task.getProcessInstanceId());
t.setProcesso(task.getProcessDefinitionId());
t.setEtapa(Core.isNotNull(task.getName())?task.getName():task.getTaskDefinitionKey());
t.setDt_inicio_etapa(Core.ToChar(task.getStartTime(), "yyyy-MM-dd'T'HH:mm:ss","yyyy-MM-dd HH:mm:ss"));
t.setEstado(this.getStatusTask(task));
  
if(!t.getEstado().equalsIgnoreCase("terminado")) {
t.hiddenButton(view.btn_ver_etapa,view.btn_ver_processo,...);
}
data.add(t);
}