if (values.isEmpty()) {
            throw new OutOfScopeException("Cannot access session scope outside of a scoping block");
        }
        return values.get(0);
    }

    public void exit() {
        if (values.isEmpty()) {
            throw new IllegalStateException();
        }
        values.remove(0);
    }

    public <T> void seed(Class<T> clazz, Provider<T> value) {

                for (MojoExecution forkedExecution : fork.getValue()) {
                    debugMojoExecution(forkedExecution);
                }

                logger.debug("--- exit fork of " + fork.getKey() + " for " + mojoExecId + " ---");
            }
        }

        logger.debug("-----------------------------------------------------------------------");

    throw e
} catch (hudson.AbortException e) {
    echo "[FAILURE-003] AbortException ${e}"
    // this ambiguous condition means during a shell step, user probably aborted
    if (e.getMessage().contains('script returned exit code 143')) {
        currentBuild.result = "ABORTED"
    } else {
        currentBuild.result = "FAILURE"
    }
    throw e
} catch (InterruptedException e) {
    echo "[FAILURE-004] ${e}"

            artifactInstaller.install(source, artifact, localRepository());

            assertLocalArtifactPresent(artifact);
        } finally {
            sessionScope.exit();
        }
    }

                        "5.32",
                        "5.27"
                    });

                    try {
                        assertEquals(0, p.waitFor(), "Unexpected exit code");
                    } catch (InterruptedException e) {
                        throw new InterruptedIOException(e.toString());
                    }
                    return FileVisitResult.TERMINATE;

        }

        visited.add(from);

        List<MetadataGraphEdge> exitList = graph.getExcidentEdges(from);
        // String s = "|---> "+from.getMd().toString()+" - "+(exitList == null ? -1 : exitList.size()) + " exit links";
        if (exitList != null && exitList.size() > 0) {
            for (MetadataGraphEdge e : graph.getExcidentEdges(from)) {
                visit(e.getTarget(), visited, graph);
            }
        }