Model orgModel = mbs.build(ModelBuilderRequest.builder()
                        .session(InternalSession.from(session))
                        .source(Sources.buildSource(file))
                        .requestType(ModelBuilderRequest.RequestType.BUILD_PROJECT)
                        .build())
                .getEffectiveModel();

    ModelBuilderSession newSession();

    interface ModelBuilderSession {

        ModelBuilderResult build(ModelBuilderRequest request) throws ModelBuilderException;
    }

    Model buildRawModel(ModelBuilderRequest request) throws ModelBuilderException;

import org.apache.maven.api.model.Profile;

/**
 * Result of a project build call.
 *
 * @since 4.0.0
 */
@Experimental
public interface ModelBuilderResult extends Result<ModelBuilderRequest> {

    /**
     * Gets the source from which the model was read.
     *
     * @return The source from which the model was read, never {@code null}.
     */
    @Nonnull
    ModelSource getSource();

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.model.Profile;
import org.apache.maven.api.services.ModelBuilderRequest;
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;

     * @return the transformed model, or the input model if no transformation is needed
     */
    @Nonnull
    Model transform(
            @Nonnull Model model, @Nonnull ModelBuilderRequest request, @Nonnull ModelProblemCollector problems);