docs: private static String cutOffValidationMatchersPrefix(String expression) {
          if (expression.startsWith(Citrus.VALIDATION_MATCHER_PREFIX) && expression.endsWith(Citrus.VALIDATION_MATCHER_SUFFIX)) {
              return expression.substring(Citrus.VALIDATION_MATCHER_PREFIX.length(), expression.length() - Citrus.VALIDATION_MATCHER_SUFFIX.length());
          }
  
          return expression;
      }