in freemarker-core/src/main/java/freemarker/core/TemplateConfiguration.java [676:707]
private boolean hasAnyConfigurableSet() {
return
isAPIBuiltinEnabledSet()
|| isArithmeticEngineSet()
|| isAutoFlushSet()
|| isAutoImportsSet()
|| isAutoIncludesSet()
|| isBooleanFormatSet()
|| isClassicCompatibleSet()
|| isCustomDateFormatsSet()
|| isCustomNumberFormatsSet()
|| isDateFormatSet()
|| isDateTimeFormatSet()
|| isCFormatSet()
|| isLazyImportsSet()
|| isLazyAutoImportsSet()
|| isLocaleSet()
|| isLogTemplateExceptionsSet()
|| isWrapUncheckedExceptionsSet()
|| isNewBuiltinClassResolverSet()
|| isTruncateBuiltinAlgorithmSet()
|| isNumberFormatSet()
|| isObjectWrapperSet()
|| isOutputEncodingSet()
|| isShowErrorTipsSet()
|| isSQLDateAndTimeTimeZoneSet()
|| isTemplateExceptionHandlerSet()
|| isAttemptExceptionReporterSet()
|| isTimeFormatSet()
|| isTimeZoneSet()
|| isURLEscapingCharsetSet();
}