KtForExpression(23,37): 'for(i in f) {}'
  KaCompoundSymbolResolutionError:
    attempts = [
      KaSymbolResolutionSuccess:
        symbols = [
          /Foo.iterator(<dispatch receiver>: Foo): Iterator
        ],
      KaSymbolResolutionError:
        candidateSymbols = []
        diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'hasNext' on receiver of type 'Iterator'.>,
      KaSymbolResolutionError:
        candidateSymbols = []
        diagnostic = ERROR<UNRESOLVED_REFERENCE: Unresolved reference 'next' on receiver of type 'Iterator'.>
    ]
