Map<String, Expression> bySyntax = new HashMap<>();

        if (expressions != null && !expressions.isEmpty()) {
            for (Expression expression : expressions) {
                bySyntax.put(expression.getSyntax(), expression);
            }
        }

        return bySyntax;
    }

    private static ClassLoader initializeDocLoader() throws ExpressionDocumentationException {

     * @param componentName The name of the component to register.
     */
    public synchronized void register(final String regex, final String componentName) {
        clientMap.put(regex, componentName);
        clientFactoryList.forEach(f -> load(f, regex, componentName));
    }

    /**
     * Loads a crawler client into the specified crawler client factory.
     *

        }
        return sourceMap;
    }

    protected void addFieldToSource(Map<String, Object> sourceMap, String field, Object value) {
        sourceMap.put(field, value);
    }

    // ===================================================================================
    //                                                                      Basic Override

        // The request should be properly created
    }

    public void test_put() {
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();
        CurlRequest request = curlHelper.put("/test");

        assertNotNull(request);
        // The request should be properly created
    }

    public void test_delete() {
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();

        }
        return sourceMap;
    }

    protected void addFieldToSource(Map<String, Object> sourceMap, String field, Object value) {
        sourceMap.put(field, value);
    }

    // ===================================================================================
    //                                                                      Basic Override

        assertTrue(client instanceof StorageClient);

    }

    public void test_setInitParameterMap() {
        final Map<String, Object> paramMap = new HashMap<String, Object>();
        paramMap.put("hoge", "test");

        final StringBuilder buf = new StringBuilder();
        clientFactory.addClient("test:.*", new CrawlerClient() {
            @Override

        KerberosKey serverKey = new KerberosKey(new KerberosPrincipal("******@****.***"), "serverKey1234567".getBytes(),
                PacSignature.ETYPE_ARCFOUR_HMAC, 1);
        keys.put(PacSignature.ETYPE_ARCFOUR_HMAC, serverKey);
    }

    private void writeLittleEndianInt(ByteArrayOutputStream baos, int value) {
        baos.write(value & 0xFF);
        baos.write((value >> 8) & 0xFF);

	if err != nil {
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	// Put an empty directory
	_, err = obj.PutObject(context.Background(), "test-getobjectinfo", "Asia/empty-dir/", mustGetPutObjReader(t, bytes.NewBufferString(""), int64(len("")), "", ""), opts)
	if err != nil {

        }
        return sourceMap;
    }

    protected void addFieldToSource(Map<String, Object> sourceMap, String field, Object value) {
        sourceMap.put(field, value);
    }

    // ===================================================================================
    //                                                                      Basic Override

 *     public Model transformEffectiveModel(Model model) throws ModelTransformerException {
 *         // Add a custom property to all models
 *         model.getProperties().put("custom.timestamp", System.currentTimeMillis());
 *         return model;
 *     }
 * }
 * </pre>
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
@Named