code: public SlideContent getContent(final SlideStep slideStep) {
          SlideContent res = null;
          if (getSlide().getContent() != null && !getSlide().getContent().isEmpty()) {
              for (final SlideContent sc : getSlide().getContent()) {
                  if (sc.getName() != null && !sc.getName().isEmpty() && sc.getName().equals(slideStep.name())) {
                      res = sc;
                  }
              }
          }
          return res == null ? getDefaultContent() : res;
      }
docs: Return the default content or null for the given step.
  
  @param slideStep the step to build
  
  @return the SlideContent