@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final FastInfosetValue that = (FastInfosetValue) o;
        return Objects.equals(fastInfosetByteBuffer, that.fastInfosetByteBuffer);
    }
MUST not change this else it is stored in the ref store. MUST be unique over all
{@link RefDataValue} impls.
stroom-pipeline/src/main/java/stroom/pipeline/refdata/store/FastInfosetValue.java