struct SRS_SpatialRelationInfo__referenceSignal {
SRS_SpatialRelationInfo__referenceSignal_PR present;
union SRS_SpatialRelationInfo__referenceSignal_u {
struct SRS_SpatialRelationInfo__referenceSignal {
SRS_SpatialRelationInfo__referenceSignal_PR present;
union SRS_SpatialRelationInfo__referenceSignal_u {