multibranchPipelineJob('example') {
    branchSources {
        branchSource {
            source {
                subversionSCMSource {
                    id(String value)
                    remoteBase(String value)
                    credentialsId(String value)
                    includes(String value)
                    excludes(String value)
                    browser {
                        ...
                        webSVN {
                            url(String value)
                        }
                    }
                }
            }
        }
    }
}