KtFile: When_ERR.kt
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>
  FUN
    PsiElement(fun)('fun')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('foo')
    VALUE_PARAMETER_LIST
      PsiElement(LPAR)('(')
      PsiElement(RPAR)(')')
    PsiWhiteSpace(' ')
    BLOCK
      PsiElement(LBRACE)('{')
      PsiWhiteSpace('\n  ')
      WHEN
        PsiElement(when)('when')
        PsiWhiteSpace(' ')
        PsiElement(LPAR)('(')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('e')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n  ')
        PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n  ')
      WHEN
        PsiElement(when)('when')
        PsiWhiteSpace(' ')
        PsiElement(LPAR)('(')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('e')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IS_PATTERN
            PsiElement(is)('is')
            PsiErrorElement:Expecting a type
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IS_PATTERN
            PsiElement(NOT_IS)('!is')
            PsiErrorElement:Expecting a type
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IN_RANGE
            OPERATION_REFERENCE
              PsiElement(in)('in')
            PsiErrorElement:Expecting an element
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IN_RANGE
            OPERATION_REFERENCE
              PsiElement(NOT_IN)('!in')
            PsiErrorElement:Expecting an element
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_WITH_EXPRESSION
            PsiErrorElement:Expecting an expression, is-condition or in-condition
              <empty list>
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          PsiElement(else)('else')
          PsiErrorElement:Expecting '->'
            <empty list>
        PsiWhiteSpace('\n  ')
        PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n  ')
      WHEN
        PsiElement(when)('when')
        PsiWhiteSpace(' ')
        PsiElement(LPAR)('(')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('e')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IS_PATTERN
            PsiElement(is)('is')
            PsiErrorElement:Expecting a type
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IS_PATTERN
            PsiElement(NOT_IS)('!is')
            PsiErrorElement:Expecting a type
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IN_RANGE
            OPERATION_REFERENCE
              PsiElement(in)('in')
            PsiErrorElement:Expecting an element
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IN_RANGE
            OPERATION_REFERENCE
              PsiElement(NOT_IN)('!in')
            PsiErrorElement:Expecting an element
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_IN_RANGE
            OPERATION_REFERENCE
              PsiElement(NOT_IN)('!in')
            PsiErrorElement:Expecting an element
              <empty list>
          PsiWhiteSpace('  ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an expression
            <empty list>
        PsiWhiteSpace(' ')
        PsiElement(SEMICOLON)(';')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_WITH_EXPRESSION
            PsiErrorElement:Expecting an expression, is-condition or in-condition
              <empty list>
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          PsiElement(else)('else')
          PsiErrorElement:Expecting '->'
            <empty list>
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          PsiElement(else)('else')
          PsiWhiteSpace(' ')
          PsiElement(ARROW)('->')
          PsiErrorElement:Expecting an element
            <empty list>
        PsiWhiteSpace('\n  ')
        PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n  ')
      WHEN
        PsiElement(when)('when')
        PsiWhiteSpace(' ')
        PsiElement(LPAR)('(')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('e')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n    ')
        WHEN_ENTRY
          WHEN_CONDITION_WITH_EXPRESSION
            PREFIX_EXPRESSION
              OPERATION_REFERENCE
                PsiElement(MINUS)('-')
              PsiErrorElement:Expecting an element
                <empty list>
          PsiWhiteSpace(' ')
          PsiElement(ARROW)('->')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
        PsiWhiteSpace('\n  ')
        PsiElement(RBRACE)('}')
      PsiWhiteSpace('\n')
      PsiElement(RBRACE)('}')