public open class AmbiguousAdapters : R|java/lang/Object| {
    public open operator fun foo(r: R|ft<java/lang/Runnable, java/lang/Runnable?>|!): R|kotlin/Unit|

    public open operator fun foo(c: R|ft<java/io/Closeable, java/io/Closeable?>|!): R|kotlin/Unit|

}