@Override
    public String toString() {
        return "QueryCacheConfig{"
                + "batchSize=" + batchSize
                + ", bufferSize=" + bufferSize
                + ", delaySeconds=" + delaySeconds
                + ", includeValue=" + includeValue
                + ", populate=" + populate
                + ", coalesce=" + coalesce
                + ", serializeKeys=" + serializeKeys
                + ", inMemoryFormat=" + inMemoryFormat
                + ", name='" + name + '\''
                + ", predicateConfig=" + predicateConfig
                + ", evictionConfig=" + evictionConfig
                + ", entryListenerConfigs=" + entryListenerConfigs
                + ", indexConfigs=" + indexConfigs
                + '}';
    }
@Test
    public void testToString() {
        QueryCacheConfig config = new QueryCacheConfig();

        assertNotNull(config.toString());
        assertContains(config.toString(), "QueryCacheConfig");
    }