Returns the identifier of the resource which this auxiliary resource is referring to. This does not guarantee that this resource exists.
Returns the identifier of the auxiliary resource corresponding to the given resource. This does not guarantee that this auxiliary resource exists.
Should error if there are multiple results: see getAuxiliaryIdentifiers.
Returns all the identifiers of corresponding auxiliary resources. This can be used when there are potentially multiple results. In the case of a single result this should be an array containing the result of getAuxiliaryIdentifier.
Checks if the input identifier corresponds to an auxiliary resource. This does not check if that auxiliary resource exists, only if the identifier indicates that there could be an auxiliary resource there.
A strategy for handling auxiliary related ResourceIdentifiers.