KtPostfixExpression(182,190): 'm["a"]++'
  KaSymbolResolutionSuccess:
    symbols = [
      /MyMap.get(<dispatch receiver>: MyMap<K1, V1>, k: K1): V1,
      kotlin/Int.inc(<dispatch receiver>: kotlin.Int): kotlin.Int,
      /Foo.set(<extension receiver>: MyMap<K2, V2>, <dispatch receiver>: Foo, k: K2, v: V2): kotlin.Unit
    ]
