docs: @Override
      public TypeDataflow analyze(IAnalysisCache analysisCache, MethodDescriptor descriptor) throws CheckedAnalysisException {
          MethodGen methodGen = getMethodGen(analysisCache, descriptor);
          if (methodGen == null) {
              throw new MethodUnprofitableException(descriptor);
          }
          CFG cfg = getCFG(analysisCache, descriptor);
          DepthFirstSearch dfs = getDepthFirstSearch(analysisCache, descriptor);
          ExceptionSetFactory exceptionSetFactory = getExceptionSetFactory(analysisCache, descriptor);
          Method method = getMethod(analysisCache, descriptor);
  
          TypeAnalysis typeAnalysis = new TypeAnalysis(method, methodGen, cfg, dfs, AnalysisContext.currentAnalysisContext()
                  .getLookupFailureCallback(), exceptionSetFactory);
  
          if (AnalysisContext.currentAnalysisContext().getBoolProperty(AnalysisFeatures.MODEL_INSTANCEOF)) {
              typeAnalysis.setValueNumberDataflow(getValueNumberDataflow(analysisCache, descriptor));
          }
  
          // Field store type database.
          // If present, this can give us more accurate type information
          // for values loaded from fields.
          typeAnalysis.setFieldStoreTypeDatabase(AnalysisContext.currentAnalysisContext().getFieldStoreTypeDatabase());
  
          TypeDataflow typeDataflow = new TypeDataflow(cfg, typeAnalysis);
          try {
              typeDataflow.execute();
          } catch (CheckedAnalysisException e) {
              AnalysisContext.logError("Error performing type dataflow analysis of " + descriptor, e);
              throw e;
          }
          if (TypeAnalysis.DEBUG || ClassContext.DUMP_DATAFLOW_ANALYSIS) {
              ClassContext.dumpTypeDataflow(method, cfg, typeDataflow);
          }
  
          return typeDataflow;
      }