### Question:
BRLActionColumnDefinitionBuilder extends BaseColumnDefinitionBuilder { @Override public Class getSupportedColumnType() { return BRLActionVariableColumn.class; } @Inject  BRLActionColumnDefinitionBuilder(final Caller<GuidedDecisionTableEditorService> service); @Override Class getSupportedColumnType(); @Override void generateDefinition(final GuidedDecisionTableView.Presenter dtPresenter,
                                   final BaseColumn column,
                                   final Callback<String> afterGenerationCallback);  }### Answer:
@Test public void checkColumnType() { assertEquals(BRLActionVariableColumn.class, builder.getSupportedColumnType()); }