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