return type != null ? type : model.getType();
    }

    @Override
    public final ToolchainModel getModel() {
        return model;
    }

    public final void addProvideToken(String type, RequirementMatcher matcher) {
        provides.put(type, matcher);
    }

    @Override
    public boolean matchesRequirements(Map<String, String> requirements) {

                matcher = RequirementMatcherFactory.createVersionMatcher(value);
            } else {
                matcher = RequirementMatcherFactory.createExactMatcher(value);
            }

            jtc.addProvideToken(key, matcher);
        }

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

    void testNonMatchingRequirementProperty() {
        ToolchainModel model = new ToolchainModel();
        model.setType("TYPE");
        DefaultToolchain toolchain = newDefaultToolchain(model);
        toolchain.addProvideToken("name", RequirementMatcherFactory.createExactMatcher("Jane Doe"));

        assertFalse(toolchain.matchesRequirements(Collections.singletonMap("name", "John Doe")));