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import scala.annotation.varargs
abstract class VarargAbstractClass[T] {
@varargs
def x(els: String*): Int
@varargs
def y(els: String*): Int
@varargs
def z(els: T*): Int
}
class ClassImplementsClass extends VarargAbstractClass[String] {
override def x(els: String*): Int = els.length
override def y(els: String*): Int = els.length
override def z(els: String*): Int = els.length
}
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