boolean exists = installed.stream().map(this::getArtifactFromMap)
                        .anyMatch(a -> a.getName().equals(target.getName()) && a.getVersion().equals(target.getVersion()));
                if (!exists) {
                    ThreadUtil.sleep(500);
                    continue;
                }
                assertTrue(exists);
                done = true;

            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());
            docMeta.primaryTerm(hit.getPrimaryTerm());
            list.add(entity);
        });

        list.setPageSize(size);

            }, validationErrorLambda);
            return null;
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

    public HtmlResponse search(final SearchForm form) {
        if (viewHelper.isUseSession()) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {
                    session.setAttribute(Constants.RESULTS_PER_PAGE, form.num);
                }
            });
        }

        final Map<String, String> item = new HashMap<>();
        item.put("type", artifact.getType().getId());
        item.put("id", artifact.getName() + ":" + artifact.getVersion());
        item.put("name", artifact.getName());
        item.put("version", artifact.getVersion());
        item.put("url", artifact.getUrl());
        return item;
    }

    private Artifact getArtifactFromInstallForm(final InstallForm form) {

            return null;
        }
        for (final Artifact artifact : getAvailableArtifacts(ArtifactType.getType(name))) {
            if (name.equals(artifact.getName()) && version.equals(artifact.getVersion())) {
                return artifact;
            }
        }
        return null;
    }

    public static class Artifact {
        protected final String name;

            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());
            docMeta.primaryTerm(hit.getPrimaryTerm());
            list.add(entity);
        });

        list.setPageSize(size);

        assertEquals("13.2.0", artifact.getVersion());
    }

    public void test_getArtifactFromFileName2() {
        Artifact artifact = pluginHelper.getArtifactFromFileName(ArtifactType.DATA_STORE, "fess-ds-atlassian-13.2.1-20190708.212247-1.jar");
        assertEquals("fess-ds-atlassian", artifact.getName());
        assertEquals("13.2.1-20190708.212247-1", artifact.getVersion());
    }

    }

    protected Map<String, String> getEnvMap() {
        return System.getenv();
    }

    public String getVersion() {
        return version;
    }

    public int getMajorVersion() {
        return majorVersion;
    }

    public int getMinorVersion() {
        return minorVersion;
    }

            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();
            docMeta.id(hit.getId());
            docMeta.version(hit.getVersion());
            docMeta.seqNo(hit.getSeqNo());
            docMeta.primaryTerm(hit.getPrimaryTerm());
            list.add(entity);
        });

        list.setPageSize(size);