如何解決此錯誤？
變壓器->2 type arguments expected for interface Transformer<OUT : Any!, IN : Any!>
代碼：
..
var liquibaseChangelog: File = File("${project.rootProject.projectDir}/src/main/resources/config/liquibase/changelog/changelog-root.xml")
val source: Source = DOMSource(doc)
val result = StreamResult(FileWriter(liquibaseChangelog))
val transformer: Transformer = TransformerFactory.newInstance().newTransformer() // Error on `Transformer`
transformer.setOutputProperty(OutputKeys.INDENT, "yes")
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2")
uj5u.com熱心網友回復：
跨行拆分：
val transformerFactory = TransformerFactory.newInstance()
val transformer = transformerFactory.newTransformer()
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