Mulibranch pipeline job and mercurialSCMSource traits request

mercurialInstallationSCMSourceTrait

multibranchPipelineJob('ci-per-branch'){
    displayName('CI')
    description('Continuous Integration Tests')
    triggers {
        periodic(10)
    }

    branchSources {

        branchSource {
            source {
                mercurialSCMSource {
                    id "ci-per-branch-id"
                    credentialsId "access-bot-id"
                    source "https://repolocation/"
                    // here should be installation option to make it work
                }
            }
        }
    }

    orphanedItemStrategy {
        discardOldItems {
            numToKeep(0)
            daysToKeep(0)
        }
    }
}