protected function showHelp()
    {
        echo <<<HELP
Usage: php wa.php createWidget [app_id] [widget_id] [parameters]
    app_id - App id (string in lower case)
    widget_id - Widget id (string in lower case)
Optional parameters:
    -name (Plugin name; if comprised of several words, enclose in quotes; e.g., 'My widget')
    -version (Plugin version; e.g., 1.0.0)
    -vendor (Numerical vendor id)
    -settings (has settings)
Example: php wa.php createWidget someapp mywidget -name 'My widget' -version 1.0.0 -vendor 123456 -settings
HELP;
        parent::showHelp();
    }
    protected function showHelp()
    {
        echo <<<HELP
Usage: php wa.php createPlugin [app_id] [plugin_id] [parameters]
    app_id - App id (string in lower case)
    plugin_id - Plugin id (string in lower case)
Optional parameters:
    -name (Plugin name; if comprised of several words, enclose in quotes; e.g., 'My plugin')
    -version (Plugin version; e.g., 1.0.0)
    -vendor (Numerical vendor id)
    -frontend (Has frontend)
    -settings (Implements custom settings screen)
    -disable (1|true) not enable plugin at wa-config/apps/app_id/plugins.php
Example: php wa.php createPlugin someapp myplugin -name 'My plugin' -version 1.0.0 -vendor 123456 -frontend -settings
HELP;
        parent::showHelp();
    }
    protected function showHelp()
    {
        echo <<<HELP
Usage: php wa.php createApp [app_id] [parameters]
    app_id - App id (string in lower case)
Optional parameters:
    -name (App name; if comprised of several words, enclose in quotes; e.g., 'My app')
    -version (App version; e.g., 1.0.0)
    -vendor (Numerical vendor id)
    -frontend (1|true|themes) (Has frontend and if value is themes support design themes)
    -features (comma separated values)
        plugins (Supports plugins)
        cli (Has CLI handlers)
        api (Has API)
    -disable (1|true) not enable application at wa-config/apps.php

Example: php wa.php createApp myapp -name 'My app' -version 1.0.0 -vendor 123456 -frontend themes -plugins -cli -api
HELP;
        parent::showHelp();
    }