cleanup silly dfa class distinctions (e.g. ({1},{2}))

java/java-tests/testData/inspection/dataFlow/fixture/BuildRegexpNotComplex.java

@@ -0,0 +1,16 @@
+class X  {
+
+  public static void buildRegexp(String pattern, int exactPrefixLen, boolean forCompletion) {
+    System.out.println(!forCompletion && pattern.endsWith(" "));
+    System.out.println(exactPrefixLen == 0);
+    boolean prevIsUppercase = false;
+    for (int i = 0; i < pattern.length(); i++) {
+      final char c = pattern.charAt(i);
+      if (c == '*') { }
+      else if (c == ' ') { }
+      else if (c == ':' || prevIsUppercase) { }
+    }
+
+  }
+
+}