我正在尝试使用lift-json来解析json。已访问此链接https://github.com/lift/lift/tree/master/framework/lift-base/lift-json/，并按照建议将val lift_json = "net.liftweb" %% "lift-json" % "2.9"添加到“built.sbt”。 “import net.liftweb.json._”仍然会抛出错误
object liftweb is not a member of package net。
如何开始使用lift-json？