@interface _PSContactEmbeddingDataCollectionUtilities : NSObject + (id)prepareAllEventsFromContactEmbeddingsDict:(id)a0; + (id)prepareEventArrayFromEmbeddingDict:(id)a0 forUser:(id)a1 sessionId:(id)a2; + (id)prepareEventFromContactEmbedding:(id)a0 contactId:(id)a1; @end