import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Objects;

class PathSource implements ModelSource {

    private final Path path;
    private final String location;

    PathSource(Path path) {
        this(path, null);
    }

    PathSource(Path path, String location) {
        this.path = path;

            } else if (request.getSource().isPresent()) {
                Source source = request.getSource().get();
                ModelSource2 modelSource = new SourceWrapper(source);
                res = builder.build(modelSource, req);
            } else {
                throw new IllegalArgumentException("Invalid request");
            }
            return new ProjectBuilderResult() {

import org.apache.maven.api.services.ModelBuilderResult;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.ModelResolver;
import org.apache.maven.api.services.ModelSource;
import org.apache.maven.api.services.ModelTransformer;
import org.apache.maven.api.services.SuperPomProvider;
import org.apache.maven.api.services.model.DependencyManagementImporter;

import org.apache.maven.api.services.ModelRepositoryHolder;
import org.apache.maven.api.services.ModelResolver;
import org.apache.maven.api.services.ModelResolverException;
import org.apache.maven.api.services.ModelSource;
import org.apache.maven.internal.impl.InternalSession;
import org.apache.maven.internal.impl.model.ModelProblemUtils;
import org.eclipse.aether.RepositoryEvent;
import org.eclipse.aether.RepositoryEvent.EventType;