* ListenableFuture}</a>.
 *
 * <p>This class is GWT-compatible.
 *
 * <h3>Purpose</h3>
 *
 * <p>The main purpose of {@code ListenableFuture} is to help you chain together a graph of
 * asynchronous operations. You can chain them together manually with calls to methods like {@link
 * Futures#transform(ListenableFuture, com.google.common.base.Function, Executor) Futures.transform}

    //                                                                              ======
    /**
     * Sets up HTML data for rendering, including help link.
     *
     * @param runtime the action runtime
     */
    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);

        }

        @Override
        public C get(int i) {
          checkElementIndex(i, size());
          return domain.offset(first(), i);
        }

        // redeclare to help optimizers with b/310253115
        @SuppressWarnings("RedundantOverride")
        @Override
        @J2ktIncompatible
        @GwtIncompatible
                Object writeReplace() {

      return ImmutableList.this.subList(fromIndex + offset, toIndex + offset);
    }

    @Override
    boolean isPartialView() {
      return true;
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible
    @GwtIncompatible
        Object writeReplace() {
      return super.writeReplace();
    }
  }

////

...as in:

{* ../../docs_src/dependencies/tutorial003_an_py310.py hl[19] *}

But declaring the type is encouraged as that way your editor will know what will be passed as the parameter `commons`, and then it can help you with code completion, type checks, etc:

<img src="/img/tutorial/dependencies/image02.png">

## Shortcut { #shortcut }

But you see that we are having some code repetition here, writing `CommonQueryParams` twice:

    //                                                                              ======
    /**
     * Sets up HTML data for rendering, including help link.
     *
     * @param runtime the action runtime
     */
    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);

          return Indexed.this;
        }

        // redeclare to help optimizers with b/310253115
        @SuppressWarnings("RedundantOverride")
        @Override
        @J2ktIncompatible
        @GwtIncompatible
                Object writeReplace() {
          return super.writeReplace();
        }
      };
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")

    /** The path of the HTML: /header.jsp */
    HtmlNext path_HeaderJsp = new HtmlNext("/header.jsp");

    /** The path of the HTML: /help.jsp */
    HtmlNext path_HelpJsp = new HtmlNext("/help.jsp");

    /** The path of the HTML: /index.jsp */
    HtmlNext path_IndexJsp = new HtmlNext("/index.jsp");

    /** The path of the HTML: /login/index.jsp */

        assertEquals("/header.jsp", FessHtmlPath.path_HeaderJsp.getRoutingPath());
        assertEquals("/footer.jsp", FessHtmlPath.path_FooterJsp.getRoutingPath());
        assertEquals("/help.jsp", FessHtmlPath.path_HelpJsp.getRoutingPath());
    }

    public void test_loginPaths() throws Exception {
        // Test login-related paths

 * ListenableFuture}</a>.
 *
 * <p>This class is GWT-compatible.
 *
 * <h3>Purpose</h3>
 *
 * <p>The main purpose of {@code ListenableFuture} is to help you chain together a graph of
 * asynchronous operations. You can chain them together manually with calls to methods like {@link
 * Futures#transform(ListenableFuture, com.google.common.base.Function, Executor) Futures.transform}