@Test public void skipVariables() { assertFalse(Cache2kVersion.isDefined("${version}")); }
static boolean isDefined(String s) { return s != null && s.length() > 0 && !s.startsWith("$"); }
Cache2kVersion { static boolean isDefined(String s) { return s != null && s.length() > 0 && !s.startsWith("$"); } }
Cache2kVersion { static boolean isDefined(String s) { return s != null && s.length() > 0 && !s.startsWith("$"); }  }
Cache2kVersion { static boolean isDefined(String s) { return s != null && s.length() > 0 && !s.startsWith("$"); }  static String getVersion(); }
Cache2kVersion { static boolean isDefined(String s) { return s != null && s.length() > 0 && !s.startsWith("$"); }  static String getVersion();  }