maxCnt := 0
	for err, count := range errorCounts {
		switch {
		case maxCnt < count:
			maxCnt = count
			maxErr = err

		// Prefer `nil` over other error values with the same
		// number of occurrences.
		case maxCnt == count && err == nil:
			maxErr = err
		}
	}
	return maxCnt, maxErr
}

// reduceQuorumErrs behaves like reduceErrs by only for returning

     * @param maxStr string representation of maximum protocol version
     */
    protected void initProtocolVersions(final String minStr, final String maxStr) {
        final DialectVersion min = minStr != null && !minStr.isEmpty() ? DialectVersion.valueOf(minStr) : null;
        final DialectVersion max = maxStr != null && !maxStr.isEmpty() ? DialectVersion.valueOf(maxStr) : null;
        initProtocolVersions(min, max);