*/
    ModelSource resolveModel(String groupId, String artifactId, String version) throws UnresolvableModelException;

    /**
     * Tries to resolve the POM for the specified parent coordinates possibly updating {@code parent}.
     * <p>
     * Unlike the {@link #resolveModel(java.lang.String, java.lang.String, java.lang.String)} method, this method

                .version("0")
                .build();

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent, new AtomicReference<>()),
                "Expected 'UnresolvableModelException' not thrown.");
        assertNotNull(e.getMessage());

            }

            return resolveModel(parent.getGroupId(), parent.getArtifactId(), newVersion);
        } catch (final VersionRangeResolutionException e) {
            throw new UnresolvableModelException(
                    e.getMessage(), parent.getGroupId(), parent.getArtifactId(), parent.getVersion(), e);
        }
    }

    @Override

    static class BaseModelResolver implements ModelResolver {
        @Override
        public ModelSource resolveModel(String groupId, String artifactId, String version)
                throws UnresolvableModelException {
            return null;
        }

        @Override
        public ModelSource resolveModel(Parent parent, AtomicReference<Parent> modified)
                throws UnresolvableModelException {

              <exclude>org.apache.maven.model.resolution.ModelResolver#resolveModel(org.apache.maven.api.model.Parent,java.util.concurrent.atomic.AtomicReference):METHOD_NEW_DEFAULT</exclude>
              <exclude>org.apache.maven.model.resolution.ModelResolver#resolveModel(org.apache.maven.api.model.Dependency,java.util.concurrent.atomic.AtomicReference):METHOD_NEW_DEFAULT</exclude>

                        ModelProblemUtils.toSourceHint(childModel)));

        ModelSource modelSource;
        try {
            modelSource = modelResolver.resolveModel(parent);
        } catch (UnresolvableModelException e) {
            // Message below is checked for in the MNG-2199 core IT.
            StringBuilder buffer = new StringBuilder(256);