/newListMethods.kt:30:7: error: unresolved reference: getFirst
    x.getFirst()
      ^^^^^^^^
/newListMethods.kt:31:7: error: using 'getter for first: E!' is an error. 'getFirst()' member of List is redundant in Kotlin and might be removed soon. Please use 'first()' stdlib extension instead
    x.first // synthetic property for getFirst()
      ^^^^^
/newListMethods.kt:33:7: error: unresolved reference: getLast
    x.getLast()
      ^^^^^^^
/newListMethods.kt:34:7: error: using 'getter for last: E!' is an error. 'getLast()' member of List is redundant in Kotlin and might be removed soon. Please use 'last()' stdlib extension instead
    x.last
      ^^^^