code: public DescribeNetworkInterfacesRequest withNetworkInterfaceIds(String... networkInterfaceIds) {
          if (this.networkInterfaceIds == null) {
              setNetworkInterfaceIds(new com.amazonaws.internal.SdkInternalList<String>(networkInterfaceIds.length));
          }
          for (String ele : networkInterfaceIds) {
              this.networkInterfaceIds.add(ele);
          }
          return this;
      }
docs: <p>
  One or more network interface IDs.
  </p>
  <p>
  Default: Describes all your network interfaces.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setNetworkInterfaceIds(java.util.Collection)} or {@link #withNetworkInterfaceIds(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param networkInterfaceIds
  One or more network interface IDs.</p>
  <p>
  Default: Describes all your network interfaces.
  @return Returns a reference to this object so that method calls can be chained together.