KtNameReferenceExpression(4,7): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(15,18): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(21,24): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(27,31): 'this'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int.foo(a: kotlin.Int): kotlin.Int

KtOperationReferenceExpression(32,33): '+'
  KtSimpleNameReference:
    (in kotlin.Int) operator fun plus(other: kotlin.Int): kotlin.Int

KtNameReferenceExpression(34,35): 'a'
  KtSimpleNameReference:
    a: kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(40,43): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(52,58): 'kotlin'
  KtSimpleNameReference:
    package kotlin

KtNameReferenceExpression(59,62): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(65,68): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtNameReferenceExpression(71,75): 'this'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int?.bar(b: kotlin.Int): kotlin.Int

KtOperationReferenceExpression(76,78): '?:'
  KtSimpleNameReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(79,80): 'b'
  KtSimpleNameReference:
    b: kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtCallExpression(103,109): 'foo(2)'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(103,106): 'foo'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int.foo(a: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtCallExpression(110,116): 'bar(3)'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(110,113): 'bar'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int?.bar(b: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtOperationReferenceExpression(117,120): 'as?'
  KtSimpleNameReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(121,124): 'Int'
  KtSimpleNameReference:
    (in kotlin) class Intprivate constructor : kotlin.Number(), kotlin.Comparable<kotlin.Int>, java.io.Serializable

KtCallExpression(127,147): 'foo(4.bar(5).bar(6))'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(127,130): 'foo'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int.foo(a: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtCallExpression(133,139): 'bar(5)'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(133,136): 'bar'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int?.bar(b: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtCallExpression(140,146): 'bar(6)'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(140,143): 'bar'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int?.bar(b: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)

KtCallExpression(148,154): 'bar(0)'
  KtInvokeFunctionReference:
    Nothing (Unresolved reference)

KtNameReferenceExpression(148,151): 'bar'
  KtSimpleNameReference:
    (in ROOT) fun kotlin.Int?.bar(b: kotlin.Int): kotlin.Int
  
  SyntheticPropertyAccessorReference:
    Nothing (Unresolved reference)