* Supports only two levels: ERROR and WARNING, that is emitted to STDERR and STDOUT.
 */
public class ProtoLogger implements Logger {

    private final PrintWriter out;
    private final PrintWriter err;

    public ProtoLogger() {
        this(null, null);
    }

    public ProtoLogger(@Nullable OutputStream out, @Nullable OutputStream err) {
        this.out = new PrintWriter(toPsOrDef(out, System.out), true);

import org.apache.maven.api.cli.ParserException;
import org.apache.maven.api.cli.mvn.MavenInvokerRequest;
import org.apache.maven.api.cli.mvn.MavenOptions;
import org.apache.maven.cling.invoker.ProtoLogger;
import org.apache.maven.cling.invoker.ProtoLookup;
import org.apache.maven.cling.invoker.mvn.DefaultMavenParser;
import org.apache.maven.cling.invoker.mvn.local.DefaultLocalMavenInvoker;

import org.apache.maven.api.cli.ParserRequest;
import org.apache.maven.api.cli.mvnenc.EncryptInvokerRequest;
import org.apache.maven.api.cli.mvnenc.EncryptOptions;
import org.apache.maven.cling.invoker.ProtoLogger;
import org.apache.maven.cling.invoker.ProtoLookup;
import org.apache.maven.cling.invoker.mvnenc.DefaultEncryptInvoker;
import org.apache.maven.cling.invoker.mvnenc.DefaultEncryptParser;

import org.apache.maven.api.cli.Parser;
import org.apache.maven.api.cli.ParserRequest;
import org.apache.maven.api.cli.mvn.MavenInvokerRequest;
import org.apache.maven.api.cli.mvn.MavenOptions;
import org.apache.maven.cling.invoker.ProtoLogger;
import org.apache.maven.jline.JLineMessageBuilderFactory;
import org.junit.jupiter.api.Assumptions;

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