public MapStoreConfig setWriteDelaySeconds(int writeDelaySeconds) {
        this.writeDelaySeconds = writeDelaySeconds;
        return this;
    }
@Test
    public void setWriteDelaySeconds() {
        assertEquals(DEFAULT_WRITE_DELAY_SECONDS + 1, cfgNonDefaultWriteDelaySeconds.getWriteDelaySeconds());
        assertEquals(new MapStoreConfig().setWriteDelaySeconds(DEFAULT_WRITE_DELAY_SECONDS + 1), cfgNonDefaultWriteDelaySeconds);
    }