### Question:
XMLOutputStepAnalyzer extends ExternalResourceStepAnalyzer<XMLOutputMeta> { @Override public String getResourceInputNodeType() { return null; }  @Override Set<Class<? extends BaseStepMeta>> getSupportedSteps(); @Override IMetaverseNode createResourceNode( IExternalResourceInfo resource ); @Override String getResourceInputNodeType(); @Override String getResourceOutputNodeType(); @Override boolean isOutput(); @Override boolean isInput(); @Override Set<String> getOutputResourceFields( XMLOutputMeta meta );  }### Answer:
@Test public void testGetResourceInputNodeType() throws Exception { assertNull( analyzer.getResourceInputNodeType() ); }