@interface SPRPersisting : SPRObject - (BOOL)deleteAll:(id *)a0; - (BOOL)deleteWithKey:(id)a0 error:(id *)a1; - (BOOL)insertWithKey:(id)a0 value:(id)a1 error:(id *)a2; - (id)retrieveAll:(id *)a0; - (id)retrieveWithKey:(id)a0 error:(id *)a1; - (BOOL)updateWithKey:(id)a0 value:(id)a1 error:(id *)a2; @end