if (error != null) {
                throw error;
            }
        } finally {
            getInterpolator().clearAnswers();
        }
    }

    @Override
    protected Interpolator createInterpolator() {
        StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);

        return interpolator;
    }

            List<RemoteRepository> repositories = RepositoryUtils.toRepos(request.getPluginArtifactRepositories());
            UnaryOperator<String> interpolator = createInterpolator(request);

            return resolveCoreExtensions(repoSession, repositories, providedArtifacts, extensions, interpolator);
        }
    }

    private List<CoreExtensionEntry> resolveCoreExtensions(

            List<RemoteRepository> repositories = RepositoryUtils.toRepos(request.getPluginArtifactRepositories());
            UnaryOperator<String> interpolator = createInterpolator(request);

            return resolveCoreExtensions(repoSession, repositories, providedArtifacts, extensions, interpolator);
        }
    }

    private List<LoadedCoreExtension> resolveCoreExtensions(

        for (String key : properties.keySet()) {
            map.put(key, properties.get(key));
        }
        return map;
    }

    @Nonnull
    public static Interpolator createInterpolator() {
        return new DefaultInterpolator();
    }

    @Nonnull
    public static UnaryOperator<String> prefix(String prefix, UnaryOperator<String> cb) {
        return s -> {
            String v = null;

import org.apache.maven.properties.internal.EnvironmentUtils;
import org.apache.maven.properties.internal.SystemProperties;

import static java.util.Objects.requireNonNull;
import static org.apache.maven.cling.invoker.CliUtils.createInterpolator;
import static org.apache.maven.cling.invoker.CliUtils.getCanonicalPath;
import static org.apache.maven.cling.invoker.CliUtils.or;
import static org.apache.maven.cling.invoker.CliUtils.prefix;

import org.apache.maven.api.services.InterpolatorException;
import org.apache.maven.jline.MessageUtils;

import static java.util.Objects.requireNonNull;
import static org.apache.maven.cling.invoker.CliUtils.createInterpolator;
import static org.apache.maven.cling.invoker.CliUtils.toMap;

public class CommonsCliOptions implements Options {
    public static CommonsCliOptions parse(String source, String[] args) throws ParseException {