JetFile: BinaryHeap.jet
  NAMESPACE
    CLASS
      PsiElement(class)('class')
      PsiWhiteSpace(' ')
      PsiElement(IDENTIFIER)('BinaryHeap')
      TYPE_PARAMETER_LIST
        PsiElement(LT)('<')
        TYPE_PARAMETER
          PsiElement(IDENTIFIER)('T')
        PsiElement(GT)('>')
      PsiWhiteSpace(' ')
      PsiElement(COLON)(':')
      PsiWhiteSpace(' ')
      DELEGATION_SPECIFIER_LIST
        DELEGATOR_SUPER_CLASS
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('IPriorityQueue')
              TYPE_ARGUMENT_LIST
                PsiElement(LT)('<')
                TYPE_PROJECTION
                  TYPE_REFERENCE
                    USER_TYPE
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('T')
                PsiElement(GT)('>')
      PsiWhiteSpace(' ')
      CLASS_BODY
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n  ')
        PROPERTY
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(val)('val')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('data')
          PsiWhiteSpace(' ')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('IMutableList')
              TYPE_ARGUMENT_LIST
                PsiElement(LT)('<')
                TYPE_PROJECTION
                  TYPE_REFERENCE
                    USER_TYPE
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('T')
                PsiElement(GT)('>')
        PsiWhiteSpace('\n  ')
        PROPERTY
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(val)('val')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('compare')
          PsiWhiteSpace(' ')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('Comparison')
              TYPE_ARGUMENT_LIST
                PsiElement(LT)('<')
                TYPE_PROJECTION
                  TYPE_REFERENCE
                    USER_TYPE
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('T')
                PsiElement(GT)('>')
        PsiWhiteSpace('\n\n  ')
        CONSTRUCTOR
          PsiElement(this)('this')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('data')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('IIterable')
                  TYPE_ARGUMENT_LIST
                    PsiElement(LT)('<')
                    TYPE_PROJECTION
                      TYPE_REFERENCE
                        USER_TYPE
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('T')
                    PsiElement(GT)('>')
            PsiElement(COMMA)(',')
            PsiWhiteSpace(' ')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('compare')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Comparison')
                  TYPE_ARGUMENT_LIST
                    PsiElement(LT)('<')
                    TYPE_PROJECTION
                      TYPE_REFERENCE
                        USER_TYPE
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('T')
                    PsiElement(GT)('>')
              PsiWhiteSpace(' ')
              PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('naturalOrder')
                TYPE_ARGUMENT_LIST
                  PsiElement(LT)('<')
                  TYPE_PROJECTION
                    TYPE_REFERENCE
                      USER_TYPE
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('T')
                  PsiElement(GT)('>')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('compare')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('compare')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('data')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('ArrayList')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  VALUE_ARGUMENT
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('data')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n')
            PsiComment(EOL_COMMENT)('//    siftDown(* this.data.size / 2 .. 0)')
            PsiWhiteSpace('\n\n    ')
            FOR
              PsiElement(for)('for')
              PsiWhiteSpace(' ')
              PsiElement(LPAR)('(')
              LOOP_PARAMETER
                PsiElement(val)('val')
                PsiWhiteSpace(' ')
                PsiElement(IDENTIFIER)('i')
              PsiWhiteSpace(' ')
              PsiElement(in)('in')
              PsiWhiteSpace(' ')
              LOOP_RANGE
                BINARY_EXPRESSION
                  BINARY_EXPRESSION
                    DOT_QUALIFIED_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('data')
                      PsiElement(DOT)('.')
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('size')
                    PsiWhiteSpace(' ')
                    OPERATION_REFERENCE
                      PsiElement(DIV)('/')
                    PsiWhiteSpace(' ')
                    INTEGER_CONSTANT
                      PsiElement(INTEGER_LITERAL)('2')
                  PsiWhiteSpace(' ')
                  OPERATION_REFERENCE
                    PsiElement(RANGE)('..')
                  PsiWhiteSpace(' ')
                  INTEGER_CONSTANT
                    PsiElement(INTEGER_LITERAL)('0')
              PsiElement(RPAR)(')')
              PsiWhiteSpace(' ')
              BODY
                FUNCTION_LITERAL
                  PsiElement(LBRACE)('{')
                  PsiWhiteSpace('\n      ')
                  BODY
                    CALL_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('siftDown')
                      VALUE_ARGUMENT_LIST
                        PsiElement(LPAR)('(')
                        VALUE_ARGUMENT
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('i')
                        PsiElement(RPAR)(')')
                  PsiWhiteSpace('\n    ')
                  PsiElement(RBRACE)('}')
            PsiWhiteSpace('\n\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        CONSTRUCTOR
          PsiElement(this)('this')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('compare')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Comparison')
                  TYPE_ARGUMENT_LIST
                    PsiElement(LT)('<')
                    TYPE_PROJECTION
                      TYPE_REFERENCE
                        USER_TYPE
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('T')
                    PsiElement(GT)('>')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('compare')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('compare')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('data')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('ArrayList')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        CONSTRUCTOR
          PsiElement(this)('this')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('data')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('ArrayList')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            CALL_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('Assert')
              VALUE_ARGUMENT_LIST
                PsiElement(LPAR)('(')
                VALUE_ARGUMENT
                  BINARY_WITH_PATTERN
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('T')
                    PsiWhiteSpace(' ')
                    OPERATION_REFERENCE
                      PsiElement(is)('is')
                    PsiWhiteSpace(' ')
                    TYPE_PATTERN
                      TYPE_REFERENCE
                        USER_TYPE
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('IComparable')
                          TYPE_ARGUMENT_LIST
                            PsiElement(LT)('<')
                            TYPE_PROJECTION
                              TYPE_REFERENCE
                                USER_TYPE
                                  REFERENCE_EXPRESSION
                                    PsiElement(IDENTIFIER)('T')
                            PsiElement(GT)('>')
                PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            BINARY_EXPRESSION
              DOT_QUALIFIED_EXPRESSION
                THIS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(this)('this')
                PsiElement(DOT)('.')
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('comparator')
              PsiWhiteSpace(' ')
              OPERATION_REFERENCE
                PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('naturalOrder')
                TYPE_ARGUMENT_LIST
                  PsiElement(LT)('<')
                  TYPE_PROJECTION
                    TYPE_REFERENCE
                      USER_TYPE
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('T')
                  PsiElement(GT)('>')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        FUN
          MODIFIER_LIST
            PsiElement(override)('override')
          PsiWhiteSpace(' ')
          PsiElement(fun)('fun')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('extract')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('T')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            IF
              PsiElement(if)('if')
              PsiWhiteSpace(' ')
              PsiElement(LPAR)('(')
              CONDITION
                DOT_QUALIFIED_EXPRESSION
                  THIS_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(this)('this')
                  PsiElement(DOT)('.')
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('isEmpty')
              PsiElement(RPAR)(')')
              PsiWhiteSpace('\n      ')
              THEN
                THROW
                  PsiElement(throw)('throw')
                  PsiWhiteSpace(' ')
                  CALL_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('UnderflowException')
                    VALUE_ARGUMENT_LIST
                      PsiElement(LPAR)('(')
                      PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            DOT_QUALIFIED_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('data')
              PsiElement(DOT)('.')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('swap')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  VALUE_ARGUMENT
                    INTEGER_CONSTANT
                      PsiElement(INTEGER_LITERAL)('0')
                  PsiElement(COMMA)(',')
                  PsiWhiteSpace(' ')
                  VALUE_ARGUMENT
                    DOT_QUALIFIED_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('data')
                      PsiElement(DOT)('.')
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('lastIndex')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            DOT_QUALIFIED_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('data')
              PsiElement(DOT)('.')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('remove')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  VALUE_ARGUMENT
                    DOT_QUALIFIED_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('data')
                      PsiElement(DOT)('.')
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('lastIndex')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            CALL_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('siftDown')
              VALUE_ARGUMENT_LIST
                PsiElement(LPAR)('(')
                VALUE_ARGUMENT
                  INTEGER_CONSTANT
                    PsiElement(INTEGER_LITERAL)('0')
                PsiElement(RPAR)(')')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        FUN
          MODIFIER_LIST
            PsiElement(override)('override')
          PsiWhiteSpace(' ')
          PsiElement(fun)('fun')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('add')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('item')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('T')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            DOT_QUALIFIED_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('data')
              PsiElement(DOT)('.')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('add')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  VALUE_ARGUMENT
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('item')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n    ')
            CALL_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('siftUp')
              VALUE_ARGUMENT_LIST
                PsiElement(LPAR)('(')
                VALUE_ARGUMENT
                  DOT_QUALIFIED_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('data')
                    PsiElement(DOT)('.')
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('lastItem')
                PsiElement(RPAR)(')')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        FUN
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(fun)('fun')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('siftDown')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('index')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            PROPERTY
              PsiElement(var)('var')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('current')
              PsiWhiteSpace(' ')
              PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('index')
            PsiWhiteSpace('\n    ')
            WHILE
              PsiElement(while)('while')
              PsiWhiteSpace(' ')
              PsiElement(LPAR)('(')
              CONDITION
                DOT_QUALIFIED_EXPRESSION
                  DOT_QUALIFIED_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('current')
                    PsiElement(DOT)('.')
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('left')
                  PsiElement(DOT)('.')
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('exists')
              PsiElement(RPAR)(')')
              PsiWhiteSpace(' ')
              BODY
                FUNCTION_LITERAL
                  PsiElement(LBRACE)('{')
                  PsiWhiteSpace('\n      ')
                  BODY
                    PROPERTY
                      PsiElement(var)('var')
                      PsiWhiteSpace(' ')
                      PsiElement(IDENTIFIER)('min')
                      PsiWhiteSpace(' ')
                      PsiElement(EQ)('=')
                      PsiWhiteSpace(' ')
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('current')
                    PsiWhiteSpace('\n      ')
                    IF
                      PsiElement(if)('if')
                      PsiWhiteSpace(' ')
                      PsiElement(LPAR)('(')
                      CONDITION
                        BINARY_EXPRESSION
                          DOT_QUALIFIED_EXPRESSION
                            DOT_QUALIFIED_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('current')
                              PsiElement(DOT)('.')
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('left')
                            PsiElement(DOT)('.')
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('value')
                          PsiWhiteSpace(' ')
                          OPERATION_REFERENCE
                            PsiElement(LT)('<')
                          PsiWhiteSpace(' ')
                          DOT_QUALIFIED_EXPRESSION
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('min')
                            PsiElement(DOT)('.')
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('value')
                      PsiElement(RPAR)(')')
                      PsiWhiteSpace(' ')
                      THEN
                        FUNCTION_LITERAL
                          PsiElement(LBRACE)('{')
                          PsiWhiteSpace('\n        ')
                          BODY
                            BINARY_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('min')
                              PsiWhiteSpace(' ')
                              OPERATION_REFERENCE
                                PsiElement(EQ)('=')
                              PsiWhiteSpace(' ')
                              DOT_QUALIFIED_EXPRESSION
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('current')
                                PsiElement(DOT)('.')
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('left')
                          PsiWhiteSpace('\n      ')
                          PsiElement(RBRACE)('}')
                    PsiWhiteSpace('\n      ')
                    IF
                      PsiElement(if)('if')
                      PsiWhiteSpace(' ')
                      PsiElement(LPAR)('(')
                      CONDITION
                        BINARY_EXPRESSION
                          DOT_QUALIFIED_EXPRESSION
                            DOT_QUALIFIED_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('current')
                              PsiElement(DOT)('.')
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('right')
                            PsiElement(DOT)('.')
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('exists')
                          PsiWhiteSpace(' ')
                          OPERATION_REFERENCE
                            PsiElement(ANDAND)('&&')
                          PsiWhiteSpace(' ')
                          BINARY_EXPRESSION
                            DOT_QUALIFIED_EXPRESSION
                              DOT_QUALIFIED_EXPRESSION
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('current')
                                PsiElement(DOT)('.')
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('right')
                              PsiElement(DOT)('.')
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('value')
                            PsiWhiteSpace(' ')
                            OPERATION_REFERENCE
                              PsiElement(LT)('<')
                            PsiWhiteSpace(' ')
                            DOT_QUALIFIED_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('min')
                              PsiElement(DOT)('.')
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('value')
                      PsiElement(RPAR)(')')
                      PsiWhiteSpace(' ')
                      THEN
                        FUNCTION_LITERAL
                          PsiElement(LBRACE)('{')
                          PsiWhiteSpace('\n        ')
                          BODY
                            BINARY_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('min')
                              PsiWhiteSpace(' ')
                              OPERATION_REFERENCE
                                PsiElement(EQ)('=')
                              PsiWhiteSpace(' ')
                              DOT_QUALIFIED_EXPRESSION
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('current')
                                PsiElement(DOT)('.')
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('right')
                          PsiWhiteSpace('\n      ')
                          PsiElement(RBRACE)('}')
                    PsiWhiteSpace('\n      ')
                    IF
                      PsiElement(if)('if')
                      PsiWhiteSpace(' ')
                      PsiElement(LPAR)('(')
                      CONDITION
                        BINARY_EXPRESSION
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('min')
                          PsiWhiteSpace(' ')
                          OPERATION_REFERENCE
                            PsiElement(EQEQ)('==')
                          PsiWhiteSpace(' ')
                          REFERENCE_EXPRESSION
                            PsiElement(IDENTIFIER)('current')
                      PsiElement(RPAR)(')')
                      PsiWhiteSpace(' ')
                      THEN
                        BREAK
                          PsiElement(break)('break')
                    PsiWhiteSpace('\n      ')
                    DOT_QUALIFIED_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('data')
                      PsiElement(DOT)('.')
                      CALL_EXPRESSION
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('swap')
                        VALUE_ARGUMENT_LIST
                          PsiElement(LPAR)('(')
                          VALUE_ARGUMENT
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('min')
                          PsiElement(COMMA)(',')
                          PsiWhiteSpace(' ')
                          VALUE_ARGUMENT
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('current')
                          PsiElement(RPAR)(')')
                    PsiWhiteSpace('\n      ')
                    BINARY_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('current')
                      PsiWhiteSpace(' ')
                      OPERATION_REFERENCE
                        PsiElement(EQ)('=')
                      PsiWhiteSpace(' ')
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('min')
                  PsiWhiteSpace('\n    ')
                  PsiElement(RBRACE)('}')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        FUN
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(fun)('fun')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('siftUp')
          VALUE_PARAMETER_LIST
            PsiElement(LPAR)('(')
            VALUE_PARAMETER
              PsiElement(IDENTIFIER)('index')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
            PsiElement(RPAR)(')')
          PsiWhiteSpace(' ')
          BLOCK
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            IF
              PsiElement(if)('if')
              PsiWhiteSpace(' ')
              PsiElement(LPAR)('(')
              CONDITION
                PREFIX_EXPRESSION
                  OPERATION_REFERENCE
                    PsiElement(EXCL)('!')
                  DOT_QUALIFIED_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('current')
                    PsiElement(DOT)('.')
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('exists')
              PsiElement(RPAR)(')')
              PsiWhiteSpace(' ')
              THEN
                RETURN
                  PsiElement(return)('return')
            PsiWhiteSpace('\n    ')
            PROPERTY
              PsiElement(var)('var')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('current')
              PsiWhiteSpace(' ')
              PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('index')
            PsiWhiteSpace('\n    ')
            WHILE
              PsiElement(while)('while')
              PsiWhiteSpace(' ')
              PsiElement(LPAR)('(')
              CONDITION
                DOT_QUALIFIED_EXPRESSION
                  DOT_QUALIFIED_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('current')
                    PsiElement(DOT)('.')
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('parent')
                  PsiElement(DOT)('.')
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('exists')
              PsiElement(RPAR)(')')
              PsiWhiteSpace(' ')
              BODY
                FUNCTION_LITERAL
                  PsiElement(LBRACE)('{')
                  PsiWhiteSpace('\n      ')
                  BODY
                    IF
                      PsiElement(if)('if')
                      PsiWhiteSpace(' ')
                      PsiElement(LPAR)('(')
                      CONDITION
                        BINARY_EXPRESSION
                          DOT_QUALIFIED_EXPRESSION
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('current')
                            PsiElement(DOT)('.')
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('value')
                          PsiWhiteSpace(' ')
                          OPERATION_REFERENCE
                            PsiElement(LT)('<')
                          PsiWhiteSpace(' ')
                          DOT_QUALIFIED_EXPRESSION
                            DOT_QUALIFIED_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('current')
                              PsiElement(DOT)('.')
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('parent')
                            PsiElement(DOT)('.')
                            REFERENCE_EXPRESSION
                              PsiElement(IDENTIFIER)('value')
                      PsiElement(RPAR)(')')
                      PsiWhiteSpace(' ')
                      THEN
                        FUNCTION_LITERAL
                          PsiElement(LBRACE)('{')
                          PsiWhiteSpace('\n        ')
                          BODY
                            DOT_QUALIFIED_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('data')
                              PsiElement(DOT)('.')
                              CALL_EXPRESSION
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('swap')
                                VALUE_ARGUMENT_LIST
                                  PsiElement(LPAR)('(')
                                  VALUE_ARGUMENT
                                    REFERENCE_EXPRESSION
                                      PsiElement(IDENTIFIER)('current')
                                  PsiElement(COMMA)(',')
                                  PsiWhiteSpace(' ')
                                  VALUE_ARGUMENT
                                    DOT_QUALIFIED_EXPRESSION
                                      REFERENCE_EXPRESSION
                                        PsiElement(IDENTIFIER)('current')
                                      PsiElement(DOT)('.')
                                      REFERENCE_EXPRESSION
                                        PsiElement(IDENTIFIER)('parent')
                                  PsiElement(RPAR)(')')
                            PsiWhiteSpace('\n        ')
                            BINARY_EXPRESSION
                              REFERENCE_EXPRESSION
                                PsiElement(IDENTIFIER)('current')
                              PsiWhiteSpace(' ')
                              OPERATION_REFERENCE
                                PsiElement(EQ)('=')
                              PsiWhiteSpace(' ')
                              DOT_QUALIFIED_EXPRESSION
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('current')
                                PsiElement(DOT)('.')
                                REFERENCE_EXPRESSION
                                  PsiElement(IDENTIFIER)('parent')
                          PsiWhiteSpace('\n      ')
                          PsiElement(RBRACE)('}')
                  PsiWhiteSpace('\n    ')
                  PsiElement(RBRACE)('}')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        EXTENSION
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(extension)('extension')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('HeapIndex')
          PsiWhiteSpace(' ')
          TYPE_PARAMETER_LIST
            <empty list>
          PsiElement(for)('for')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('Int')
          PsiWhiteSpace(' ')
          CLASS_BODY
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            PROPERTY
              PsiElement(val)('val')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('parent')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(get)('get')
                PsiElement(LPAR)('(')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                PsiElement(EQ)('=')
                PsiWhiteSpace(' ')
                BINARY_EXPRESSION
                  PARENTHESIZED
                    PsiElement(LPAR)('(')
                    BINARY_EXPRESSION
                      THIS_EXPRESSION
                        REFERENCE_EXPRESSION
                          PsiElement(this)('this')
                      PsiWhiteSpace(' ')
                      OPERATION_REFERENCE
                        PsiElement(MINUS)('-')
                      PsiWhiteSpace(' ')
                      INTEGER_CONSTANT
                        PsiElement(INTEGER_LITERAL)('1')
                    PsiElement(RPAR)(')')
                  PsiWhiteSpace(' ')
                  OPERATION_REFERENCE
                    PsiElement(DIV)('/')
                  PsiWhiteSpace(' ')
                  INTEGER_CONSTANT
                    PsiElement(INTEGER_LITERAL)('2')
            PsiWhiteSpace('\n\n\n    ')
            PROPERTY
              PsiElement(val)('val')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('left')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(get)('get')
                PsiElement(LPAR)('(')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                PsiElement(EQ)('=')
                PsiWhiteSpace(' ')
                BINARY_EXPRESSION
                  BINARY_EXPRESSION
                    THIS_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(this)('this')
                    PsiWhiteSpace(' ')
                    OPERATION_REFERENCE
                      PsiElement(MUL)('*')
                    PsiWhiteSpace(' ')
                    INTEGER_CONSTANT
                      PsiElement(INTEGER_LITERAL)('2')
                  PsiWhiteSpace(' ')
                  OPERATION_REFERENCE
                    PsiElement(PLUS)('+')
                  PsiWhiteSpace(' ')
                  INTEGER_CONSTANT
                    PsiElement(INTEGER_LITERAL)('1')
            PsiWhiteSpace('\n\n\n    ')
            PROPERTY
              PsiElement(val)('val')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('right')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(get)('get')
                PsiElement(LPAR)('(')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                PsiElement(EQ)('=')
                PsiWhiteSpace(' ')
                BINARY_EXPRESSION
                  BINARY_EXPRESSION
                    THIS_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(this)('this')
                    PsiWhiteSpace(' ')
                    OPERATION_REFERENCE
                      PsiElement(MUL)('*')
                    PsiWhiteSpace(' ')
                    INTEGER_CONSTANT
                      PsiElement(INTEGER_LITERAL)('2')
                  PsiWhiteSpace(' ')
                  OPERATION_REFERENCE
                    PsiElement(PLUS)('+')
                  PsiWhiteSpace(' ')
                  INTEGER_CONSTANT
                    PsiElement(INTEGER_LITERAL)('2')
            PsiWhiteSpace('\n\n\n    ')
            PROPERTY
              PsiElement(val)('val')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('value')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('T')
              PsiWhiteSpace(' ')
              PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              DOT_QUALIFIED_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('foo')
                PsiElement(DOT)('.')
                CALL_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('bar')
                  VALUE_ARGUMENT_LIST
                    PsiElement(LPAR)('(')
                    PsiElement(RPAR)(')')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(get)('get')
                PsiElement(LPAR)('(')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                PsiElement(EQ)('=')
                PsiWhiteSpace(' ')
                ARRAY_ACCESS_EXPRESSION
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('data')
                  INDICES
                    PsiElement(LBRACKET)('[')
                    THIS_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(this)('this')
                    PsiElement(RBRACKET)(']')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(set)('set')
                PsiElement(LPAR)('(')
                VALUE_PARAMETER_LIST
                  VALUE_PARAMETER
                    PsiElement(IDENTIFIER)('it')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                BLOCK
                  PsiElement(LBRACE)('{')
                  PsiWhiteSpace('\n        ')
                  BINARY_EXPRESSION
                    REFERENCE_EXPRESSION
                      PsiElement(FIELD_IDENTIFIER)('$value')
                    PsiWhiteSpace(' ')
                    OPERATION_REFERENCE
                      PsiElement(EQ)('=')
                    PsiWhiteSpace(' ')
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('it')
                  PsiWhiteSpace('\n      ')
                  PsiElement(RBRACE)('}')
            PsiWhiteSpace('\n\n\n    ')
            PROPERTY
              PsiElement(val)('val')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('exists')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Boolean')
              PsiWhiteSpace('\n      ')
              PROPERTY_ACCESSOR
                PsiElement(get)('get')
                PsiElement(LPAR)('(')
                PsiElement(RPAR)(')')
                PsiWhiteSpace(' ')
                PsiElement(EQ)('=')
                PsiWhiteSpace(' ')
                BINARY_EXPRESSION
                  PARENTHESIZED
                    PsiElement(LPAR)('(')
                    BINARY_EXPRESSION
                      THIS_EXPRESSION
                        REFERENCE_EXPRESSION
                          PsiElement(this)('this')
                      PsiWhiteSpace(' ')
                      OPERATION_REFERENCE
                        PsiElement(LT)('<')
                      PsiWhiteSpace(' ')
                      DOT_QUALIFIED_EXPRESSION
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('data')
                        PsiElement(DOT)('.')
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('size')
                    PsiElement(RPAR)(')')
                  PsiWhiteSpace(' ')
                  OPERATION_REFERENCE
                    PsiElement(ANDAND)('&&')
                  PsiWhiteSpace(' ')
                  PARENTHESIZED
                    PsiElement(LPAR)('(')
                    BINARY_EXPRESSION
                      THIS_EXPRESSION
                        REFERENCE_EXPRESSION
                          PsiElement(this)('this')
                      PsiWhiteSpace(' ')
                      OPERATION_REFERENCE
                        PsiElement(GTEQ)('>=')
                      PsiWhiteSpace(' ')
                      INTEGER_CONSTANT
                        PsiElement(INTEGER_LITERAL)('0')
                    PsiElement(RPAR)(')')
            PsiWhiteSpace('\n\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n  ')
        EXTENSION
          MODIFIER_LIST
            PsiElement(private)('private')
          PsiWhiteSpace(' ')
          PsiElement(extension)('extension')
          PsiWhiteSpace(' ')
          TYPE_PARAMETER_LIST
            <empty list>
          PsiElement(for)('for')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('T')
          PsiWhiteSpace(' ')
          CLASS_BODY
            PsiElement(LBRACE)('{')
            PsiWhiteSpace('\n    ')
            FUN
              MODIFIER_LIST
                ATTRIBUTE_ANNOTATION
                  PsiElement(LBRACKET)('[')
                  ATTRIBUTE
                    TYPE_REFERENCE
                      USER_TYPE
                        REFERENCE_EXPRESSION
                          PsiElement(IDENTIFIER)('operator')
                  PsiElement(RBRACKET)(']')
              PsiWhiteSpace(' ')
              PsiElement(fun)('fun')
              PsiWhiteSpace(' ')
              PsiElement(IDENTIFIER)('compareTo')
              VALUE_PARAMETER_LIST
                PsiElement(LPAR)('(')
                VALUE_PARAMETER
                  PsiElement(IDENTIFIER)('other')
                  PsiWhiteSpace(' ')
                  PsiElement(COLON)(':')
                  PsiWhiteSpace(' ')
                  TYPE_REFERENCE
                    USER_TYPE
                      REFERENCE_EXPRESSION
                        PsiElement(IDENTIFIER)('T')
                PsiElement(RPAR)(')')
              PsiWhiteSpace(' ')
              PsiElement(COLON)(':')
              PsiWhiteSpace(' ')
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('Int')
              PsiWhiteSpace(' ')
              PsiElement(EQ)('=')
              PsiWhiteSpace(' ')
              CALL_EXPRESSION
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('compare')
                VALUE_ARGUMENT_LIST
                  PsiElement(LPAR)('(')
                  VALUE_ARGUMENT
                    THIS_EXPRESSION
                      REFERENCE_EXPRESSION
                        PsiElement(this)('this')
                  PsiElement(COMMA)(',')
                  PsiWhiteSpace(' ')
                  VALUE_ARGUMENT
                    REFERENCE_EXPRESSION
                      PsiElement(IDENTIFIER)('other')
                  PsiElement(RPAR)(')')
            PsiWhiteSpace('\n  ')
            PsiElement(RBRACE)('}')
        PsiWhiteSpace('\n\n')
        PsiElement(RBRACE)('}')
    PsiWhiteSpace('\n\n')
    FUN
      PsiElement(fun)('fun')
      PsiWhiteSpace(' ')
      TYPE_REFERENCE
        USER_TYPE
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('IMutableList')
          TYPE_ARGUMENT_LIST
            PsiElement(LT)('<')
            TYPE_PROJECTION
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('T')
            PsiElement(GT)('>')
      PsiElement(DOT)('.')
      PsiElement(IDENTIFIER)('swap')
      VALUE_PARAMETER_LIST
        PsiElement(LPAR)('(')
        VALUE_PARAMETER
          PsiElement(IDENTIFIER)('a')
          PsiWhiteSpace(' ')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('Int')
        PsiElement(COMMA)(',')
        PsiWhiteSpace(' ')
        VALUE_PARAMETER
          PsiElement(IDENTIFIER)('b')
          PsiWhiteSpace(' ')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('Int')
        PsiElement(RPAR)(')')
      PsiWhiteSpace(' ')
      BLOCK
        PsiElement(LBRACE)('{')
        PsiWhiteSpace('\n  ')
        PROPERTY
          PsiElement(val)('val')
          PsiWhiteSpace(' ')
          PsiElement(IDENTIFIER)('t')
          PsiWhiteSpace(' ')
          PsiElement(EQ)('=')
          PsiWhiteSpace(' ')
          ARRAY_ACCESS_EXPRESSION
            THIS_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(this)('this')
            INDICES
              PsiElement(LBRACKET)('[')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('a')
              PsiElement(RBRACKET)(']')
        PsiWhiteSpace('\n  ')
        BINARY_EXPRESSION
          ARRAY_ACCESS_EXPRESSION
            THIS_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(this)('this')
            INDICES
              PsiElement(LBRACKET)('[')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('a')
              PsiElement(RBRACKET)(']')
          PsiWhiteSpace(' ')
          OPERATION_REFERENCE
            PsiElement(EQ)('=')
          PsiWhiteSpace(' ')
          ARRAY_ACCESS_EXPRESSION
            THIS_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(this)('this')
            INDICES
              PsiElement(LBRACKET)('[')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('b')
              PsiElement(RBRACKET)(']')
        PsiWhiteSpace('\n  ')
        BINARY_EXPRESSION
          ARRAY_ACCESS_EXPRESSION
            THIS_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(this)('this')
            INDICES
              PsiElement(LBRACKET)('[')
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('b')
              PsiElement(RBRACKET)(']')
          PsiWhiteSpace(' ')
          OPERATION_REFERENCE
            PsiElement(EQ)('=')
          PsiWhiteSpace(' ')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('t')
        PsiWhiteSpace('\n')
        PsiElement(RBRACE)('}')
    PsiWhiteSpace('\n\n')
    PROPERTY
      PsiElement(val)('val')
      PsiWhiteSpace(' ')
      TYPE_REFERENCE
        USER_TYPE
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('IList')
          TYPE_ARGUMENT_LIST
            PsiElement(LT)('<')
            TYPE_PROJECTION
              TYPE_REFERENCE
                USER_TYPE
                  REFERENCE_EXPRESSION
                    PsiElement(IDENTIFIER)('T')
            PsiElement(GT)('>')
      PsiElement(DOT)('.')
      PsiElement(IDENTIFIER)('lastIndex')
      PsiWhiteSpace(' ')
      PsiElement(COLON)(':')
      PsiWhiteSpace(' ')
      TYPE_REFERENCE
        USER_TYPE
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('Int')
      PsiWhiteSpace('\n  ')
      PROPERTY_ACCESSOR
        PsiElement(get)('get')
        PsiElement(LPAR)('(')
        PsiElement(RPAR)(')')
        PsiWhiteSpace(' ')
        PsiElement(EQ)('=')
        PsiWhiteSpace(' ')
        BINARY_EXPRESSION
          DOT_QUALIFIED_EXPRESSION
            THIS_EXPRESSION
              REFERENCE_EXPRESSION
                PsiElement(this)('this')
            PsiElement(DOT)('.')
            REFERENCE_EXPRESSION
              PsiElement(IDENTIFIER)('size')
          PsiWhiteSpace(' ')
          OPERATION_REFERENCE
            PsiElement(MINUS)('-')
          PsiWhiteSpace(' ')
          INTEGER_CONSTANT
            PsiElement(INTEGER_LITERAL)('1')