if ("version".equals(key)) {
                matcher = RequirementMatcherFactory.createVersionMatcher(value);
            } else {
                matcher = RequirementMatcherFactory.createExactMatcher(value);
            }

            jtc.addProvideToken(key, matcher);
        }

        // populate the configuration section
        Xpp3Dom dom = (Xpp3Dom) model.getConfiguration();