@class PGGraphPersonNode, PGGraphSocialGroupNode; @interface PGGraphBelongsToEdge : PGGraphOptimizedEdge @property (readonly) double importance; @property (readonly) PGGraphPersonNode *personNode; @property (readonly) PGGraphSocialGroupNode *socialGroupNode; + (id)filter; + (void)setImportance:(double)a0 onBelongsToEdgeForIdentifier:(unsigned long long)a1 inGraph:(id)a2; - (id)label; - (id)propertyDictionary; - (unsigned short)domain; - (BOOL)hasProperties:(id)a0; - (id)initWithLabel:(id)a0 sourceNode:(id)a1 targetNode:(id)a2 domain:(unsigned short)a3 weight:(float)a4 properties:(id)a5; - (id)edgeDescription; - (id)initFromPersonNode:(id)a0 toSocialGroupNode:(id)a1 importance:(double)a2; - (id)initWithLabel:(id)a0 sourceNode:(id)a1 targetNode:(id)a2 domain:(unsigned short)a3 properties:(id)a4; @end