class A {
    fun B.foo() {}
}

interface B

fun bar(a: A, b: B) {
    with (a) {
        with (b) {
            <caret>foo()
        }
    }
}



Resolved call:

Resulting descriptor: fun B.foo(): Unit defined in A

Explicit receiver kind = NO_EXPLICIT_RECEIVER
Dispatch receiver = AExt{fun A.`<anonymous>`(): Unit defined in bar}
Extension receiver = BExt{fun B.`<anonymous>`(): Unit defined in bar.`<anonymous>`}