"-DvalTopDirectory=${session.topDirectory}/pom.xml",
                    "-f",
                    "${session.rootDirectory}/my-child",
                    "prefix:3.0.0:${foo}",
                    "validate"
                },
                null);
        request.rootDirectory = rootDirectory;
        request.topDirectory = topDirectory;

                Path current = currentPom.toPath().toAbsolutePath().normalize();
                Path topDirectory = session.getTopDirectory();
                if (topDirectory != null && current.startsWith(topDirectory)) {
                    current = topDirectory.relativize(current);
                }
                logger.info("  from " + current);
            }

     * This is typically the directory containing the POM file being executed.
     *
     * @return the top-level directory path
     */
    @Nonnull
    Path topDirectory();

    /**
     * Returns the root directory of the Maven invocation, if found. This is determined by the presence of a

            // maven requires this to be set; so default it (and see below at POM)
            request.setMultiModuleProjectDirectory(
                    context.invokerRequest.topDirectory().toFile());
            request.setRootDirectory(context.invokerRequest.topDirectory());
        }

        request.setToolchains(
                Optional.ofNullable(context.effectiveToolchains).map(PersistedToolchains::getToolchains).stream()

        when(request.installationDirectory()).thenReturn(Paths.get("/maven"));
        when(request.userHomeDirectory()).thenReturn(Paths.get("/home/user"));
        when(request.topDirectory()).thenReturn(workingDirectory);
        when(request.rootDirectory()).thenReturn(Optional.empty());
        when(request.userProperties()).thenReturn(Map.of());
        when(request.systemProperties()).thenReturn(Map.of());

    @Deprecated
    File getMultiModuleProjectDirectory();

    /**
     * Sets the top directory of the project.
     *
     * @since 4.0.0
     */
    MavenExecutionRequest setTopDirectory(Path topDirectory);

    /**
     * Gets the directory of the topmost project being built, usually the current directory or the
     * directory pointed at by the {@code -f/--file} command line argument.
     *
     * @since 4.0.0

        request.setInteractiveMode(context.interactive);
        request.setShowErrors(context.options().showErrors().orElse(false));
        request.setBaseDirectory(context.invokerRequest.topDirectory().toFile());
        request.setSystemProperties(toProperties(context.protoSession.getSystemProperties()));
        request.setUserProperties(toProperties(context.protoSession.getUserProperties()));