+ pluginDescriptor.getId() + "'. A required class is missing: "
                        + cause.getMessage());
                pluginRealm.display(ps);

                throw new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), cause);
            } else if (cause instanceof LinkageError) {

            PrintStream ps = new PrintStream(os);
            ps.println(
                    "A required class was missing while executing " + mojoDescriptor.getId() + ": " + e.getMessage());
            pluginRealm.display(ps);
            Exception wrapper = new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), e);
            throw new PluginExecutionException(mojoExecution, project, wrapper);
        } catch (LinkageError e) {

            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being
            // displayed to the user, so just bail out and return false.
        }
        return false;
    }

import static org.mockito.ArgumentMatchers.anyList;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

class DefaultGraphBuilderTest {
    /*
    The multi-module structure in this project is displayed as follows:

    module-parent
    └─── module-independent     (without parent declaration)
         module-a
         module-b               (depends on module-a)
         module-c
         └─── module-c-1