code: public ParallelTaskBuilder setReplacementVarMap(
              Map<String, String> replacementVarMap) {
          this.replacementVarMap = replacementVarMap;
  
          // TODO Check and warning of overwriting
          // set as uniform
          this.requestReplacementType = RequestReplacementType.UNIFORM_VAR_REPLACEMENT;
          return this;
      }
docs: Sets the replacement var map.
  
  @param replacementVarMap
  the replacement var map
  @return the parallel task builder