Gandalf (deprecated) Flexible data validation libraryDependencies ++= "io.taig" %% "gandalf-core" % "0.3.13" :: "io.taig" %% "gandalf-predef" % "0.3.13" :: "io.taig" %% "gandalf-report" % "0.3.13" :: "io.taig" %% "gandalf-android" % "0.3.13" :: Nil