protected static boolean parseBool(Map<String, String> optionsMap, String key, boolean defaultValue) {
        String value = optionsMap.get(key);
        if (value == null) {
            return defaultValue;
        } else {
            return BooleanUtils.toBoolean(value);
        }
    }
Called to parse a map into a set of specific options.
@param options the option map
common/config/src/main/java/io/apiman/common/config/options/AbstractOptions.java