/**
         * 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.
         * Aborts early if we're processing a plugin installation action.
         *
         * @since 1.0.0
         *
         * @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 TGMPA_List_Table();
            // Return early if processing a plugin installation action.
            if (('tgmpa-bulk-install' === $plugin_table->current_action() || 'tgmpa-bulk-update' === $plugin_table->current_action()) && $plugin_table->process_bulk_actions() || $this->do_plugin_install()) {
                return;
            }
            // Force refresh of available plugin information so we'll know about manual updates/deletes.
            wp_clean_plugins_cache(false);
            ?>
            <div class="tgmpa wrap">
                <h2><?php 
            echo esc_html(get_admin_page_title());
            ?>
</h2>
                <?php 
            $plugin_table->prepare_items();
            ?>

                <?php 
            if (!empty($this->message) && is_string($this->message)) {
                echo wp_kses_post($this->message);
            }
            ?>
                <?php 
            $plugin_table->views();
            ?>

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