code: public DescribeNetworkAclsResult withNetworkAcls(NetworkAcl... networkAcls) {
          if (this.networkAcls == null) {
              setNetworkAcls(new com.amazonaws.internal.SdkInternalList<NetworkAcl>(networkAcls.length));
          }
          for (NetworkAcl ele : networkAcls) {
              this.networkAcls.add(ele);
          }
          return this;
      }
docs: <p>
  Information about one or more network ACLs.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setNetworkAcls(java.util.Collection)} or {@link #withNetworkAcls(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param networkAcls
  Information about one or more network ACLs.
  @return Returns a reference to this object so that method calls can be chained together.