public CloudWatchMetricConfig withMetricQueueSize(int metricQueueSize) {
        setMetricQueueSize(metricQueueSize);
        return this;
    }
Configure the metric queue size, overriding the default. Must be at
least 1.

@see #DEFAULT_METRICS_QSIZE
aws-java-sdk-cloudwatchmetrics/src/main/java/com/amazonaws/metrics/internal/cloudwatch/CloudWatchMetricConfig.java