public interface ReferenceValueSuperBean
ReferenceValue contains a value for a target reference object reference.
When this is taken with its sibling elements, they identify the object or objects to which the reported metadata apply.
The content of this will either be a reference to an identifiable object, a data key, a reference to a data set, or a report period.
Returns the id of the dataset this bean is referencing, returns null if this is not a dataset reference.
NOTE : This is to be used in conjunction with the getIdentifiableReference() which will return the data provider reference
Returns the identifiable structure that this reference value is using,
if this is a dataset reference this will return a reference to a data provider.
Returns null if there is no reference to an identifiable structure