}
        return buffer;
    }

    /**
     * Get local memory key
     *
     * @return local key for RDMA operations
     */
    public int getLocalKey() {
        return localKey;
    }

    /**
     * Get remote memory key
     *
     * @return remote key for RDMA operations
     */
    public int getRemoteKey() {
        return remoteKey;
    }

    /**

    @Override
    public Object get(final Object key) {
        return getProperties().get(key);
    }

    @Override
    public String getProperty(final String key, final String defaultValue) {
        return getProperties().getProperty(key, defaultValue);
    }

    @Override
    public String getProperty(final String key) {
        return getProperties().getProperty(key);
    }

    @Override

     * If data appending is enabled and the key already exists, values are combined into arrays.
     *
     * @param dataMap the data map to modify
     * @param key the key to store the value under
     * @param value the value to store
     */
    default void putResultDataBody(final Map<String, Object> dataMap, final String key, final Object value) {

        return map.get(key);
    }

    /**
     * Retrieves a setting value as a String.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as a String.
     */
    public String getAsString(final String key, final String defaultValue) {
        final Object obj = get(key);

        final String value;

        responseData.addMetaData("key1", "value1");
        responseData.addMetaData("key2", 123);

        // Execute - should not throw any exception
        processor.process(responseData);

        // Verify metadata is unchanged
        assertEquals(2, responseData.getMetaDataMap().size());
        assertEquals("value1", responseData.getMetaDataMap().get("key1"));

     * Removes the entry corresponding to the specified key from the map entries.
     *
     * @param key
     *            the key
     * @return the removed entry, or {@literal null} if there was no entry for the key
     */
    protected Entry<K, V> removeMap(final Object key) {
        int hashCode = 0;
        int index = 0;

        if (key != null) {
            hashCode = key.hashCode();

     */
    Class<? extends Payload>[] payload() default {};

    /**
     * Gets the configuration key for the minimum size constraint.
     * @return name of size the element must be higher or equal to
     */
    String minKey() default StringUtil.EMPTY;

    /**
     * Gets the configuration key for the maximum size constraint.
     *
     * @return name of size the element must be lower or equal to
     */

        if (entry != null) {
            entry.updateState(grantedState);
            log.debug("Updated lease {} to state: 0x{}", key, Integer.toHexString(grantedState));
        } else {
            log.warn("Attempted to update non-existent lease: {}", key);
        }
    }

    /**
     * Get lease entry by key
     *
     * @param key lease key
     * @return lease entry or null if not found
     */

        CurlRequest result = request.param("key1", "value1").param("key2", "value2");

        assertSame(request, result); // Fluent API
    }

    @Test
    public void testParamWithNullValue() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");

        CurlRequest result = request.param("key", null);

    }

    /**
     * Delete a value.
     * @param key Key
     * @param value Value
     */
    public void delete(final String key, final String value) {
        if (logger.isDebugEnabled()) {
            logger.debug("Deleting array settings: index={}, settingsId={}, key={}, value={}", arraySettingsIndexName, settingsId, key,
                    value);
        }