code: @Override
      public FBClassReader analyze(IAnalysisCache analysisCache, ClassDescriptor descriptor) throws CheckedAnalysisException {
  
          ClassData classData = analysisCache.getClassAnalysis(ClassData.class, descriptor);
  
          FBClassReader classReader = new FBClassReader(classData.getData());
  
          return classReader;
      }
docs: /*
  (non-Javadoc)
  
  @see
  edu.umd.cs.findbugs.classfile.IAnalysisEngine#analyze(edu.umd.cs.findbugs
  .classfile.IAnalysisCache, java.lang.Object)