31     assertThat(prefixes("123", "1234")).containsExactly("123");  in testNewInstancesNormalized()
32     assertThat(prefixes("70x", "7[1-9]")).containsExactly("7");  in testNewInstancesNormalized()
34     assertThat(prefixes("123xxx", "123x_xxx", "567xxx", "567x_xxx")).containsExactly("123", "567");  in testNewInstancesNormalized()
39     PrefixTree prefix = prefixes("123", "124", "126", "555");  in testRetainFrom()
46     PrefixTree prefix = prefixes("123", "124", "126", "555");  in testPrefixes()
47     assertThat(prefix.prefixes(seq("1230000"))).isTrue();  in testPrefixes()
48     assertThat(prefix.prefixes(seq("555000"))).isTrue();  in testPrefixes()
49     assertThat(prefix.prefixes(seq("12"))).isFalse();  in testPrefixes()
50     assertThat(prefix.prefixes(seq("120000"))).isFalse();  in testPrefixes()
56     PrefixTree zeroLength = prefixes("xxx");  in testEmptyVsZeroLength()
73     assertThat(prefixes("123xxx", "456xx", "789x")).containsExactly("123", "456", "789");  in testNoTrailingAnyPath()
78     PrefixTree prefix = prefixes("1234");  in testRangeAndPrefixSameLength()
85     PrefixTree prefix = prefixes("1234");  in testRangeShorterThanPrefix()
92     PrefixTree prefix = prefixes("[12]", "3x4x5", "67890", "987xx9");  in testComplex()
117     assertThat(prefixes("1234").union(prefixes("12"))).containsExactly("12");  in testUnion()
119     assertThat(prefixes("12").union(prefixes("12"))).containsExactly("12");  in testUnion()
121     assertThat(prefixes("123").union(prefixes("124"))).containsExactly("12[34]");  in testUnion()
123     assertThat(prefixes("1234", "45", "800").union(prefixes("12", "4x67")))  in testUnion()
130     assertThat(prefixes("1234").intersect(prefixes("12"))).containsExactly("1234");  in testIntersection()
132     assertThat(prefixes("12").intersect(prefixes("12"))).containsExactly("12");  in testIntersection()
134     assertThat(prefixes("123").intersect(prefixes("124"))).isEmpty();  in testIntersection()
136     assertThat(prefixes("1234", "45x", "800").intersect(prefixes("12x", "4x67")))  in testIntersection()
142     assertThat(prefixes("1234").trim(3)).containsExactly("123");  in testTrim()
143     assertThat(prefixes("12").trim(3)).containsExactly("12");  in testTrim()
144     assertThat(prefixes("1234").trim(0)).containsExactly(RangeSpecification.empty());  in testTrim()
147     assertThat(prefixes("12[0-4]5", "12[5-9]").trim(3)).containsExactly("12");  in testTrim()
148     assertThat(prefixes("7001", "70[1-9]", "7[1-9]").trim(3)).containsExactly("7");  in testTrim()
206   private static PrefixTree prefixes(String... specs) {  in prefixes()  method in PrefixTreeTest