cx-newsletter/templates/14-service.php

<?php

namespace cx_newsletter;

abstract class service
implements service_interface {
    public function __construct(
        \wpdb $database,
        table_names $tables,
        settings $settings
    ) {
        $this->database = $database;
        $this->tables = $tables;
        $this->settings = $settings;
    }

    protected function get_database() : \wpdb { 
        return $this->database;
    }

    protected function get_tables() : table_names {
        return $this->tables;
    }

    protected function get_settings() : settings {
        return $this->settings;
    }

    private \wpdb $database;
    private table_names $tables;
    private settings $settings;
}