code: public ListIpRoutesResult withIpRoutesInfo(IpRouteInfo... ipRoutesInfo) {
          if (this.ipRoutesInfo == null) {
              setIpRoutesInfo(new com.amazonaws.internal.SdkInternalList<IpRouteInfo>(ipRoutesInfo.length));
          }
          for (IpRouteInfo ele : ipRoutesInfo) {
              this.ipRoutesInfo.add(ele);
          }
          return this;
      }
docs: <p>
  A list of <a>IpRoute</a>s.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setIpRoutesInfo(java.util.Collection)} or {@link #withIpRoutesInfo(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param ipRoutesInfo
  A list of <a>IpRoute</a>s.
  @return Returns a reference to this object so that method calls can be chained together.