/**
     * Echoes plugin installation form.
     *
     * This method is the callback for the admin_menu method function.
     * This displays the admin page and form area where the user can select to install and activate the plugin.
     *
     * @return null Aborts early if we're processing a plugin installation action
     */
    public function install_plugins_page()
    {
        /** Store new instance of plugin table in object */
        $plugin_table = new ListTable();
        /** Return early if processing a plugin installation action */
        if (isset($_POST[sanitize_key('action')]) && 'tgmpa-bulk-install' == $_POST[sanitize_key('action')] && $plugin_table->process_bulk_actions() || $this->do_plugin_install()) {
            return;
        }
        ?>
        <div class="tgmpa wrap">

            <?php 
        screen_icon(apply_filters('tgmpa_default_screen_icon', 'themes'));
        ?>
            <h2><?php 
        echo esc_html(get_admin_page_title());
        ?>
</h2>
            <?php 
        $plugin_table->prepare_items();
        ?>

            <?php 
        if (isset($this->message)) {
            _e(wp_kses_post($this->message), self::TEXT_DOMAIN);
        }
        ?>

            <form id="tgmpa-plugins" action="" method="post">
                <input type="hidden" name="tgmpa-page" value="<?php 
        echo $this->menu;
        ?>
" />
                <?php 
        $plugin_table->display();
        ?>
            </form>

        </div>
        <?php 
    }