static MinusculeMatcher create(MinusculeMatcher delegate) {
    String pattern = delegate.getPattern();
    if (pattern.startsWith("*")) {
      pattern = pattern.substring(1);
    }
    if (pattern.isEmpty()) return delegate;
    for (int i = 0; i < pattern.length(); i++) {
      char c = pattern.charAt(i);
      // Pinyin initials are always lowercase English letters and never include i, u, or v
      if (c < 'a' || c > 'z' || c == 'i' || c == 'u' || c == 'v') return delegate;
    }
    return new MatcherWithFallback(delegate, new PinyinMatcher(pattern));
  }
static MinusculeMatcher create(MinusculeMatcher delegate)