async getEventsFromMailgun(mailgunInstance, mailgunConfig, mailgunOptions) {
        const startTime = Date.now();
        try {
            const page = await mailgunInstance.events.get(mailgunConfig.domain, mailgunOptions);
            metrics.metric('mailgun-get-events', {
                value: Date.now() - startTime,
                statusCode: 200
            });
            return page;
        } catch (error) {
            metrics.metric('mailgun-get-events', {
                value: Date.now() - startTime,
                statusCode: error.status
            });
            throw error;
        }
    }
@param {import('mailgun.js').default} mailgunInstance
@param {Object} mailgunConfig
@param {Object} mailgunOptions