KtFile: 2.20.kt
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>
  FUN
    PsiElement(fun)('fun')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('f')
    VALUE_PARAMETER_LIST
      PsiElement(LPAR)('(')
      PsiElement(RPAR)(')')
    PsiWhiteSpace(' ')
    BLOCK
      PsiElement(LBRACE)('{')
      PsiWhiteSpace('\n    ')
      BINARY_EXPRESSION
        INTEGER_CONSTANT
          PsiElement(INTEGER_LITERAL)('1')
        PsiWhiteSpace(' ')
        OPERATION_REFERENCE
          PsiElement(PLUS)('+')
        PsiWhiteSpace(' ')
        INTEGER_CONSTANT
          PsiElement(INTEGER_LITERAL)('1')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        <empty list>
      PsiWhiteSpace(' ')
      BOOLEAN_CONSTANT
        PsiElement(true)('true')
      PsiWhiteSpace(' ')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        PsiElement(INTEGER_LITERAL)('10')
        PsiElement(RANGE)('..')
        PsiElement(INTEGER_LITERAL)('11')
      PsiWhiteSpace('\n\n    ')
      BINARY_EXPRESSION
        INTEGER_CONSTANT
          PsiElement(INTEGER_LITERAL)('1')
        PsiWhiteSpace(' ')
        OPERATION_REFERENCE
          PsiElement(PLUS)('+')
        PsiWhiteSpace(' ')
        INTEGER_CONSTANT
          PsiElement(INTEGER_LITERAL)('1')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        <empty list>
      PsiWhiteSpace(' ')
      BOOLEAN_CONSTANT
        PsiElement(false)('false')
      PsiWhiteSpace(' ')
      PsiErrorElement:Unexpected tokens (use ';' to separate expressions on the same line)
        PsiElement(INTEGER_LITERAL)('10')
        PsiElement(RANGE)('..')
        PsiElement(INTEGER_LITERAL)('11')
        PsiWhiteSpace(' ')
        PsiElement(true)('true')
        PsiWhiteSpace(' ')
        PsiElement(INTEGER_LITERAL)('10')
        PsiWhiteSpace(' ')
        PsiElement(false)('false')
        PsiWhiteSpace(' ')
        PsiElement(MINUS)('-')
        PsiElement(FLOAT_CONSTANT)('.9')
        PsiElement(MINUS)('-')
        PsiElement(FLOAT_CONSTANT)('9.0')
      PsiWhiteSpace('\n')
      PsiElement(RBRACE)('}')