+val new_experimental_hint:
+ dbd:HMysql.dbd ->
+ ?facts:bool ->
+ ?signature:MetadataConstraints.term_signature ->
+ universe:UriManager.uri list ->
+ ProofEngineTypes.status ->
+ (UriManager.uri *
+ ((Cic.term -> Cic.term) *
+ (ProofEngineTypes.proof * ProofEngineTypes.goal list))) list