question: public static Command of ( AggregateId aggregateId , StreamTimestamp commandTimestamp , VersionedName commandName , Tuple parameters , Type resultType ) { checkNotNull ( aggregateId , "aggregateId must not be null" ) ; checkNotNull ( commandTimestamp , "commandTimestamp must not be null" ) ; checkNotNull ( commandName , "commandName must not be null" ) ; checkNotNull ( parameters , "parameters must not be null" ) ; checkNotNull ( resultType , "resultType must not be null" ) ; return new Command ( aggregateId , commandTimestamp , Optional . empty ( ) , commandName , parameters , resultType ) ; }
target:  Create a new command with the specified properties.