https://unicode-org.github.io/icu-docs/apidoc/dev/icu4j/com/ibm/icu/text/UnicodeSet.ComparisonStyle.html
UnicodeSet.ComparisonStyle (ICU4J 78)
https://developer.android.com/reference/android/icu/text/UnicodeSet.ComparisonStyle?authuser=7
UnicodeSet.ComparisonStyle | API reference | Android Developers
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