}

        return new DefaultToolchainsBuilderResult(effective, problems);
    }

    private boolean hasErrors(List<BuilderProblem> problems) {
        if (problems != null) {
            for (BuilderProblem problem : problems) {
                if (BuilderProblem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
                    return true;
                }
            }
        }

import javax.inject.Singleton;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.services.BuilderProblem;
import org.apache.maven.api.services.Source;
import org.apache.maven.api.services.ToolchainsBuilder;
import org.apache.maven.api.services.ToolchainsBuilderException;