-/**
- * Get the set of "white space" characters in the sense of ICU rule
- * parsers. Caller must close/delete result.
- * Equivalent to the set of characters with the Pattern_White_Space Unicode property.
- * Stable set of characters, won't change.
- * See UAX #31 Identifier and Pattern Syntax: http://www.unicode.org/reports/tr31/
- * @internal
- */
-U_CAPI USet* U_EXPORT2
-uprv_openRuleWhiteSpaceSet(UErrorCode* ec);
-