docs: protected final CnvBnRsToDouble<RS>
      createPutCnvBnRsToDouble() throws Exception {
      CnvBnRsToDouble<RS> convrt = new CnvBnRsToDouble<RS>();
      //assigning fully initialized object:
      this.convertersMap
        .put(CnvBnRsToDouble.class.getSimpleName(), convrt);
      return convrt;
    }