ProblemCollector<ModelProblem> problemCollector) {
            if (problemCollector == null) {
                return null;
            }
            ArrayList<org.apache.maven.model.building.ModelProblem> problems = new ArrayList<>();
            problemCollector.problems().map(BuildSession::convert).forEach(problems::add);
            if (problemCollector.problemsOverflow()) {

import org.apache.maven.api.services.ModelBuilderResult;
import org.apache.maven.api.services.ModelProblem;
import org.apache.maven.api.services.ModelSource;
import org.apache.maven.api.services.ProblemCollector;
import org.apache.maven.api.services.Source;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;

/**

     *
     * @return the problem collector that collected problems encountered during the project building
     */
    @Nonnull
    ProblemCollector<ModelProblem> getProblemCollector();

    /**
     * Gets the children of this result.
     *
     * @return the children of this result, can be empty but never {@code null}
     */
    @Nonnull