Mavryk_mockup.Migrationval migrate_mockup :
cctxt:Mavryk_client_base.Client_context.full ->
protocol_hash:Mavryk_base.TzPervasives.Protocol_hash.t option ->
next_protocol_hash:Mavryk_base.TzPervasives.Protocol_hash.t ->
unit Mavryk_base.TzPervasives.tzresult Lwt.tMigrates the protocol version of an on-disk mockup environment. The effect is protocol-dependent.