@Override
    public void setIncrementInMilliseconds(long incrementInMilliseconds) {
        this.incrementInMilliseconds = incrementInMilliseconds;
    }
Set by how many milliseconds, the event timestamp should be increased.

@param incrementInMilliseconds the timestamp incremental value.
modules/siddhi-core/src/main/java/io/siddhi/core/util/timestamp/TimestampGeneratorImpl.java