code: @Override
      public Void call() {
          if (shouldAnalyze()) {
              LOGGER.debug("Begin Analysis of '{}' ({})", dependency.getActualFilePath(), analyzer.getName());
              try {
                  analyzer.analyze(dependency, engine);
              } catch (AnalysisException ex) {
                  LOGGER.warn("An error occurred while analyzing '{}' ({}).", dependency.getActualFilePath(), analyzer.getName());
                  LOGGER.debug("", ex);
                  exceptions.add(ex);
              } catch (Throwable ex) {
                  LOGGER.warn("An unexpected error occurred during analysis of '{}' ({}): {}",
                          dependency.getActualFilePath(), analyzer.getName(), ex.getMessage());
                  LOGGER.error("", ex);
                  exceptions.add(ex);
              }
          }
          return null;
      }
docs: Executes the analysis task.
  
  @return null