code: public UpdateNFSFileShareRequest withClientList(String... clientList) {
          if (this.clientList == null) {
              setClientList(new com.amazonaws.internal.SdkInternalList<String>(clientList.length));
          }
          for (String ele : clientList) {
              this.clientList.add(ele);
          }
          return this;
      }
docs: <p>
  The list of clients that are allowed to access the file gateway. The list must contain either valid IP addresses
  or valid CIDR blocks.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setClientList(java.util.Collection)} or {@link #withClientList(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param clientList
  The list of clients that are allowed to access the file gateway. The list must contain either valid IP
  addresses or valid CIDR blocks.
  @return Returns a reference to this object so that method calls can be chained together.