JetFile: oldSyntaxExpressions.kt
  PACKAGE_DIRECTIVE
    <empty list>
  FUN
    PsiElement(fun)('fun')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('foo')
    VALUE_PARAMETER_LIST
      PsiElement(LPAR)('(')
      PsiElement(RPAR)(')')
    PsiWhiteSpace(' ')
    BLOCK
      PsiElement(LBRACE)('{')
      PsiWhiteSpace('\n    ')
      LABELED_EXPRESSION
        PsiErrorElement:Label must be named
          PsiElement(AT)('@')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('loop1')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        <empty list>
      PsiWhiteSpace(' ')
      FOR
        PsiElement(for)('for')
        PsiWhiteSpace(' ')
        PsiElement(LPAR)('(')
        VALUE_PARAMETER
          PsiElement(IDENTIFIER)('i')
        PsiWhiteSpace(' ')
        PsiElement(in)('in')
        PsiWhiteSpace(' ')
        LOOP_RANGE
          BINARY_EXPRESSION
            INTEGER_CONSTANT
              PsiElement(INTEGER_LITERAL)('1')
            OPERATION_REFERENCE
              PsiElement(RANGE)('..')
            INTEGER_CONSTANT
              PsiElement(INTEGER_LITERAL)('100')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        BODY
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace(' ')
            PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n\n    ')
      DOT_QUALIFIED_EXPRESSION
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('x2')
        PsiElement(DOT)('.')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('filter')
      PsiWhiteSpace(' ')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        PsiElement(AT)('@')
        PsiElement(IDENTIFIER)('f')
      PsiWhiteSpace(' ')
      FUNCTION_LITERAL_EXPRESSION
        FUNCTION_LITERAL
          PsiElement(LBRACE)('{')
          PsiWhiteSpace('\n        ')
          BLOCK
            RETURN
              PsiElement(return)('return')
              PsiWhiteSpace(' ')
              INTEGER_CONSTANT
                PsiElement(INTEGER_LITERAL)('2')
          PsiWhiteSpace('\n    ')
          PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n\n    ')
      RETURN
        PsiElement(return)('return')
        PsiWhiteSpace(' ')
        PARENTHESIZED
          PsiElement(LPAR)('(')
          LABELED_EXPRESSION
            PsiErrorElement:Label must be named
              PsiElement(AT)('@')
            REFERENCE_EXPRESSION
              PsiElement(IDENTIFIER)('f')
          PsiErrorElement:Expecting ')'
            <empty list>
      PsiWhiteSpace(' ')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        PsiElement(INTEGER_LITERAL)('3')
        PsiElement(RPAR)(')')
      PsiWhiteSpace('\n\n    ')
      PROPERTY
        PsiElement(val)('val')
        PsiWhiteSpace(' ')
        PsiElement(IDENTIFIER)('x')
        PsiWhiteSpace(' ')
        PsiElement(EQ)('=')
        PsiWhiteSpace(' ')
        INTEGER_CONSTANT
          PsiElement(INTEGER_LITERAL)('1')
      PsiWhiteSpace('\n')
      PsiElement(RBRACE)('}')