assertThat(anyOf("ab").trimLeadingFrom("abacatbab")).isEqualTo("catbab");
  }

  private void doTestTrimLeadingFrom(String in, String out) {
    // Try a few different matchers which all match '-' and not 'x'
    assertThat(is('-').trimLeadingFrom(in)).isEqualTo(out);
    assertThat(is('-').or(is('#')).trimLeadingFrom(in)).isEqualTo(out);
    assertThat(isNot('x').trimLeadingFrom(in)).isEqualTo(out);

   * the beginning of the string. For example:
   *
   * {@snippet :
   * CharMatcher.anyOf("ab").trimLeadingFrom("abacatbab")
   * }
   *
   * ... returns {@code "catbab"}.
   */
  public String trimLeadingFrom(CharSequence sequence) {
    int len = sequence.length();
    for (int first = 0; first < len; first++) {
      if (!matches(sequence.charAt(first))) {

        // entirely numeric whereas local classes have the user supplied name as a suffix
        return CharMatcher.inRange('0', '9').trimLeadingFrom(innerClassName);
      }
      String packageName = getPackageName();
      if (packageName.isEmpty()) {
        return className;
      }