### Question:
TableOutputStepAnalyzer extends ConnectionExternalResourceStepAnalyzer<TableOutputMeta> { @Override protected Set<StepField> getUsedFields( TableOutputMeta meta ) { return null; }  @Override Set<String> getOutputResourceFields( TableOutputMeta meta ); @Override Set<ComponentDerivationRecord> getChangeRecords( TableOutputMeta meta ); @Override IMetaverseNode getConnectionNode(); @Override Set<Class<? extends BaseStepMeta>> getSupportedSteps(); @Override String getResourceInputNodeType(); @Override String getResourceOutputNodeType(); @Override boolean isOutput(); @Override boolean isInput(); static final String TRUNCATE_TABLE; }### Answer:
@Test public void testGetUsedFields() throws Exception { assertNull( analyzer.getUsedFields( meta ) ); }