code: public void setMdcTags(Set<String> mdcTags) {
          if (mdcTags == null) {
              this.mdcTags = new HashSet<>();
          } else {
              this.mdcTags = mdcTags;
          }
      }
docs: Set the tags to extract from the MDC system and set on {@link io.sentry.event.Event}s, where applicable.
  
  @param mdcTags Set of tags to extract from the MDC system