code: public ValidationMatcherLibrary getLibraryForPrefix(String validationMatcherPrefix) {
          if (validationMatcherLibraries != null) {
              for (ValidationMatcherLibrary validationMatcherLibrary : validationMatcherLibraries) {
                  if (validationMatcherLibrary.getPrefix().equals(validationMatcherPrefix)) {
                      return validationMatcherLibrary;
                  }
              }
          }
  
          throw new NoSuchValidationMatcherLibraryException("Can not find validationMatcher library for prefix " + validationMatcherPrefix);
      }
docs: Get library for validationMatcher prefix.
  @param validationMatcherPrefix to be searched for
  @return ValidationMatcherLibrary instance