KtForExpression(306,355): 'for (i in Progression<String>("a", "z")) {'
  KaSymbolResolutionSuccess:
    symbols = [
      f/iterator(<extension receiver>: f.Progression<T>): kotlin.collections.Iterator<T>,
      kotlin/collections/Iterator.hasNext(<dispatch receiver>: kotlin.collections.Iterator<T>): kotlin.Boolean,
      kotlin/collections/Iterator.next(<dispatch receiver>: kotlin.collections.Iterator<T>): T
    ]
