code: public ParallelTaskBuilder setReplacementVarMapNodeSpecific(
              Map<String, StrStrMap> replacementVarMapNodeSpecific) {
          this.replacementVarMapNodeSpecific.clear();
          this.replacementVarMapNodeSpecific
                  .putAll(replacementVarMapNodeSpecific);
  
          this.requestReplacementType = RequestReplacementType.TARGET_HOST_SPECIFIC_VAR_REPLACEMENT;
          logger.info("Set requestReplacementType as {}"
                  + requestReplacementType.toString());
          return this;
      }
docs: Sets the replacement var map node specific.
  
  @param replacementVarMapNodeSpecific
  the replacement var map node specific
  @return the parallel task builder