nt( $dependency_errors );
	}

	/**
	 * Deactivates this plugin.
	 */
	public function deactivate_self() {
		deactivate_plugins( plugin_basename( WC_ADMIN_PLUGIN_FILE ) );
		unset( $_GET['activate'] ); // phpcs:ignore CSRF ok.
	}

	/**
	 * Notify users of the plugin requirements.
	 */
	public function render_dependencies_notice() {
		$message = $this->get_dependency_errors();
		printf( '<div class="error"><p>%s</p></div>', implode( ' ', $message ) ); /* phpcs:ignore xss ok. */
	}

	/**
	 * Overwrites the allowed features array using a local `feature-config.php` file.
	 *
	 * @param array $features Array of feature slugs.
	 */
	public function replace_supported_features( $features ) {
		$feature_config = apply_filters( 'woocommerce_admin_get_feature_config', wc_admin_get_feature_config() );
		$features       = array_keys( array_filter( $feature_config ) );
		return $features;
	}

	/**
	 * Define constant if not already set.
	 *
	 * @param string      $name  Constant name.
	 * @param string|bool $value Constant value.
	 */
	protected function define( $name, $value ) {
		if ( ! defined( $name ) ) {
			define( $name, $value );
		}
	}

	/**
	 * Prevent cloning.
	 */
	private function __clone() {}

	/**
	 * Prevent unserializing.
	 */
	public function __wakeup() {
		die();
	}
}