/test.kt:(95,103): error: 'test1' overrides nothing. Potential signatures for overriding:
fun test1(a: String!): Unit

/test.kt:(129,137): error: 'test2' overrides nothing. Potential signatures for overriding:
fun test2(a: (Mutable)List<Int!>!): (Mutable)List<Int!>!

/test.kt:(201,209): error: 'test3' overrides nothing. Potential signatures for overriding:
fun test3(a: Array<(out) String!>!): Array<(out) String!>!

/test.kt:(287,295): error: 'test4' overrides nothing. Potential signatures for overriding:
fun test4(vararg indices: String!): Unit

/test.kt:(330,338): error: 'test5' overrides nothing. Potential signatures for overriding:
fun test5(a: Int): Int

/test.kt:(388,396): error: 'test6' overrides nothing. Potential signatures for overriding:
fun test6(a: Int!): Int!

/test.kt:(440,448): error: 'test7' overrides nothing. Potential signatures for overriding:
fun test7(a: Any!): Any!

/test.kt:(493,501): error: 'test8' overrides nothing. Potential signatures for overriding:
fun test8(): Unit