Class Token

Index

Constructors

Properties

ADD ADD_ASSIGN AND AND_ASSIGN ARROW ASSIGN ASYNC AWAIT BIGINT BIND BIT_AND BIT_AND_ASSIGN BIT_NOT BIT_OR BIT_OR_ASSIGN BIT_XOR BIT_XOR_ASSIGN BREAK CASE CATCH CLASS COLON COMMA CONDITIONAL CONST CONTINUE DEBUGGER DEC DEFAULT DELETE DIV DIV_ASSIGN DO ELLIPSIS ELSE ENUM EOS EQ EQ_STRICT ESCAPED_KEYWORD EXP EXP_ASSIGN EXPORT EXTENDS FALSE_LITERAL FINALLY FOR FUNCTION GET GT GTE IDENTIFIER IF ILLEGAL IMPLEMENTS IMPORT IN INC INSTANCEOF INTERFACE LARGER LARGER_ASSIGN LBRACE LBRACK LET LPAREN LT LTE MOD MOD_ASSIGN MODULO MODULO_ASSIGN MUL MUL_ASSIGN NE NE_STRICT NEW NOT NULL_LITERAL NULLISH NULLISH_ASSIGN NUMBER OR OR_ASSIGN PACKAGE PERIOD PIPELINE PRIVATE PRIVATE_NAME PROTECTED PUBLIC QUESTION_BIND QUESTION_PERIOD RBRACE RBRACK REGEXP_LITERAL RETURN RPAREN SAR SAR_ASSIGN SEMICOLON SET SHL SHL_ASSIGN SHR SHR_ASSIGN SMALLER SMALLER_ASSIGN SPACESHIP STATIC STRING SUB SUB_ASSIGN SUPER SWITCH TEMPLATE_SPAN TEMPLATE_TAIL THIS THROW TRUE_LITERAL TRY TYPEOF UNDEFINED_LITERAL VAR VOID WHILE WHITESPACE WITH YIELD

Constructors

constructor

new Token(name: string, precedence: number): Token
Parameters
- name: string
- precedence: number
Returns Token
- Defined in git/aurora/src/expressions/v8/token.ts:801

Properties

`Static` `Readonly`ADD

ADD: Token = ...

___ + ___

`Static` `Readonly`ADD_ASSIGN

ADD_ASSIGN: Token = ...

___ += ___

`Static` `Readonly`AND

AND: Token = ...

___ && ___

`Static` `Readonly`AND_ASSIGN

AND_ASSIGN: Token = ...

___ &&= ___

`Static` `Readonly`ARROW

ARROW: Token = ...

`Static` `Readonly`ASSIGN

ASSIGN: Token = ...

___ = ___

`Static` `Readonly`ASYNC

ASYNC: Token = ...

`Static` `Readonly`AWAIT

AWAIT: Token = ...

`Static` `Readonly`BIGINT

BIGINT: Token = ...

`Static` `Readonly`BIND

BIND: Token = ...

___ :: ___

`Static` `Readonly`BIT_AND

BIT_AND: Token = ...

___ | ___

`Static` `Readonly`BIT_AND_ASSIGN

BIT_AND_ASSIGN: Token = ...

___ &= ___

`Static` `Readonly`BIT_NOT

BIT_NOT: Token = ...

~ ___

`Static` `Readonly`BIT_OR

BIT_OR: Token = ...

___ | ___

`Static` `Readonly`BIT_OR_ASSIGN

BIT_OR_ASSIGN: Token = ...

___ |= ___

`Static` `Readonly`BIT_XOR

BIT_XOR: Token = ...

___ ^ ___

`Static` `Readonly`BIT_XOR_ASSIGN

BIT_XOR_ASSIGN: Token = ...

___ ^= ___

`Static` `Readonly`BREAK

BREAK: Token = ...

`Static` `Readonly`CASE

CASE: Token = ...

`Static` `Readonly`CATCH

CATCH: Token = ...

`Static` `Readonly`CLASS

CLASS: Token = ...

`Static` `Readonly`COLON

COLON: Token = ...

`Static` `Readonly`COMMA

COMMA: Token = ...

___, ___, ___

`Static` `Readonly`CONDITIONAL

CONDITIONAL: Token = ...

___ ? ___ : ___

`Static` `Readonly`CONST

CONST: Token = ...

`Static` `Readonly`CONTINUE

CONTINUE: Token = ...

`Static` `Readonly`DEBUGGER

DEBUGGER: Token = ...

`Static` `Readonly`DEC

DEC: Token = ...

___--

--___

`Static` `Readonly`DEFAULT

DEFAULT: Token = ...

`Static` `Readonly`DELETE

DELETE: Token = ...

`Static` `Readonly`DIV

DIV: Token = ...

___ / ___

`Static` `Readonly`DIV_ASSIGN

DIV_ASSIGN: Token = ...

___ /= ___

`Static` `Readonly`DO

DO: Token = ...

`Static` `Readonly`ELLIPSIS

ELLIPSIS: Token = ...

...

`Static` `Readonly`ELSE

ELSE: Token = ...

`Static` `Readonly`ENUM

ENUM: Token = ...

`Static` `Readonly`EOS

EOS: Token = ...

end of source

`Static` `Readonly`EQ

EQ: Token = ...

___ == ___

`Static` `Readonly`EQ_STRICT

EQ_STRICT: Token = ...

___ === ___

`Static` `Readonly`ESCAPED_KEYWORD

ESCAPED_KEYWORD: Token = ...

`Static` `Readonly`EXP

EXP: Token = ...

___ ** ___

`Static` `Readonly`EXP_ASSIGN

EXP_ASSIGN: Token = ...

___ **= ___

`Static` `Readonly`EXPORT

EXPORT: Token = ...

`Static` `Readonly`EXTENDS

EXTENDS: Token = ...

`Static` `Readonly`FALSE_LITERAL

FALSE_LITERAL: Token = ...

`Static` `Readonly`FINALLY

FINALLY: Token = ...

`Static` `Readonly`FOR

FOR: Token = ...

`Static` `Readonly`FUNCTION

FUNCTION: Token = ...

`Static` `Readonly`GET

GET: Token = ...

`Static` `Readonly`GT

GT: Token = ...

___ > ___

`Static` `Readonly`GTE

GTE: Token = ...

___ >= ___

`Static` `Readonly`IDENTIFIER

IDENTIFIER: Token = ...

`Static` `Readonly`IF

IF: Token = ...

`Static` `Readonly`ILLEGAL

ILLEGAL: Token = ...

`Static` `Readonly`IMPLEMENTS

IMPLEMENTS: Token = ...

`Static` `Readonly`IMPORT

IMPORT: Token = ...

`Static` `Readonly`IN

IN: Token = ...

`Static` `Readonly`INC

INC: Token = ...

___++

++___

`Static` `Readonly`INSTANCEOF

INSTANCEOF: Token = ...

`Static` `Readonly`INTERFACE

INTERFACE: Token = ...

`Static` `Readonly`LARGER

LARGER: Token = ...

___ > ___

`Static` `Readonly`LARGER_ASSIGN

LARGER_ASSIGN: Token = ...

___ > ___

`Static` `Readonly`LBRACE

LBRACE: Token = ...

{

`Static` `Readonly`LBRACK

LBRACK: Token = ...

[

`Static` `Readonly`LET

LET: Token = ...

`Static` `Readonly`LPAREN

LPAREN: Token = ...

(

`Static` `Readonly`LT

LT: Token = ...

___ < ___

`Static` `Readonly`LTE

LTE: Token = ...

___ <= ___

`Static` `Readonly`MOD

MOD: Token = ...

___ % ___

`Static` `Readonly`MOD_ASSIGN

MOD_ASSIGN: Token = ...

___ %= ___

`Static` `Readonly`MODULO

MODULO: Token = ...

___ %% ___

`Static` `Readonly`MODULO_ASSIGN

MODULO_ASSIGN: Token = ...

___ %% ___

`Static` `Readonly`MUL

MUL: Token = ...

___ * ___

`Static` `Readonly`MUL_ASSIGN

MUL_ASSIGN: Token = ...

___ *= ___

`Static` `Readonly`NE

NE: Token = ...

___ != ___

`Static` `Readonly`NE_STRICT

NE_STRICT: Token = ...

___ !== ___

`Static` `Readonly`NEW

NEW: Token = ...

`Static` `Readonly`NOT

NOT: Token = ...

! ___

`Static` `Readonly`NULL_LITERAL

NULL_LITERAL: Token = ...

`Static` `Readonly`NULLISH

NULLISH: Token = ...

___ ?? ___

`Static` `Readonly`NULLISH_ASSIGN

NULLISH_ASSIGN: Token = ...

___ ??= ___

`Static` `Readonly`NUMBER

NUMBER: Token = ...

`Static` `Readonly`OR

OR: Token = ...

___ || ___

`Static` `Readonly`OR_ASSIGN

OR_ASSIGN: Token = ...

___ ||= ___

`Static` `Readonly`PACKAGE

PACKAGE: Token = ...

`Static` `Readonly`PERIOD

PERIOD: Token = ...

___ . ___

`Static` `Readonly`PIPELINE

PIPELINE: Token = ...

___ |> ___ : ___ : ? ___ |> ___ ( ___, ___ , ?)

`Static` `Readonly`PRIVATE

PRIVATE: Token = ...

`Static` `Readonly`PRIVATE_NAME

PRIVATE_NAME: Token = ...

`Static` `Readonly`PROTECTED

PROTECTED: Token = ...

`Static` `Readonly`PUBLIC

PUBLIC: Token = ...

`Static` `Readonly`QUESTION_BIND

QUESTION_BIND: Token = ...

___ ?:: ___

?::[]

___?::()

`Static` `Readonly`QUESTION_PERIOD

QUESTION_PERIOD: Token = ...

___ ?. ___

?.[]

___?.()

`Static` `Readonly`RBRACE

RBRACE: Token = ...

}

`Static` `Readonly`RBRACK

RBRACK: Token = ...

]

`Static` `Readonly`REGEXP_LITERAL

REGEXP_LITERAL: Token = ...

`Static` `Readonly`RETURN

RETURN: Token = ...

`Static` `Readonly`RPAREN

RPAREN: Token = ...

)

`Static` `Readonly`SAR

SAR: Token = ...

___ >> ___

`Static` `Readonly`SAR_ASSIGN

SAR_ASSIGN: Token = ...

___ >>= ___

`Static` `Readonly`SEMICOLON

SEMICOLON: Token = ...

;

`Static` `Readonly`SET

SET: Token = ...

`Static` `Readonly`SHL

SHL: Token = ...

___ << ___

`Static` `Readonly`SHL_ASSIGN

SHL_ASSIGN: Token = ...

___ <<= ___

`Static` `Readonly`SHR

SHR: Token = ...

___ >>> ___

`Static` `Readonly`SHR_ASSIGN

SHR_ASSIGN: Token = ...

___ >>>= ___

`Static` `Readonly`SMALLER

SMALLER: Token = ...

___ > ___

`Static` `Readonly`SMALLER_ASSIGN

SMALLER_ASSIGN: Token = ...

___ > ___

`Static` `Readonly`SPACESHIP

SPACESHIP: Token = ...

___ <=> ___

`Static` `Readonly`STATIC

STATIC: Token = ...

`Static` `Readonly`STRING

STRING: Token = ...

`Static` `Readonly`SUB

SUB: Token = ...

___ - ___

`Static` `Readonly`SUB_ASSIGN

SUB_ASSIGN: Token = ...

___ -= ___

`Static` `Readonly`SUPER

SUPER: Token = ...

`Static` `Readonly`SWITCH

SWITCH: Token = ...

`Static` `Readonly`TEMPLATE_SPAN

TEMPLATE_SPAN: Token = ...

TEMPLATE_SPAN ::

	` LiteralChars* ${
	| } LiteralChars* ${

`Static` `Readonly`TEMPLATE_TAIL

TEMPLATE_TAIL: Token = ...

TEMPLATE_TAIL ::

	` LiteralChars* `
	| } LiteralChar* `

`Static` `Readonly`THIS

THIS: Token = ...

`Static` `Readonly`THROW

THROW: Token = ...

`Static` `Readonly`TRUE_LITERAL

TRUE_LITERAL: Token = ...

`Static` `Readonly`TRY

TRY: Token = ...

`Static` `Readonly`TYPEOF

TYPEOF: Token = ...

`Static` `Readonly`UNDEFINED_LITERAL

UNDEFINED_LITERAL: Token = ...

`Static` `Readonly`VAR

VAR: Token = ...

`Static` `Readonly`VOID

VOID: Token = ...

`Static` `Readonly`WHILE

WHILE: Token = ...

`Static` `Readonly`WHITESPACE

WHITESPACE: Token = ...

`Static` `Readonly`WITH

WITH: Token = ...

`Static` `Readonly`YIELD

YIELD: Token = ...

Methods

equal

equal(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:808

getName

getName(): string
Returns string
- Defined in git/aurora/src/expressions/v8/token.ts:802

getPrecedence

getPrecedence(): number
Returns number
- Defined in git/aurora/src/expressions/v8/token.ts:805

`Static`binaryOpForAssignment

binaryOpForAssignment(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:695

`Static`closeOf

closeOf(token: Token): Token
Parameters
- token: Token
Returns Token
- Defined in git/aurora/src/expressions/v8/token.ts:478

`Static`isAnyIdentifier

isAnyIdentifier(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:489

`Static`isArrowOrAssignmentOp

isArrowOrAssignmentOp(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:528

`Static`isAssignment

isAssignment(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:531

`Static`isAutoSemicolon

isAutoSemicolon(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:563

`Static`isBinary

isBinary(token: number | Token): boolean
Parameters
- token: number | Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:649

`Static`isBitOp

isBitOp(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:703

`Static`isClosePair

isClosePair(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:457

`Static`isCompare

isCompare(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:656

`Static`isCount

isCount(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:731

`Static`isEquality

isEquality(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:686

`Static`isIdentifier

isIdentifier(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:503

`Static`isInRangeIdentifierAndAsync

isInRangeIdentifierAndAsync(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:614

`Static`isLiteral

isLiteral(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:513

`Static`isLogicalAssignmentOp

isLogicalAssignmentOp(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:554

`Static`isMember

isMember(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:572

`Static`isNextLetKeyword

isNextLetKeyword(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:591

`Static`isOpenPair

isOpenPair(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:447

`Static`isOrderedRelationalCompare

isOrderedRelationalCompare(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:674

`Static`isPair

isPair(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:434

`Static`isPipelineOperator

isPipelineOperator(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:779

`Static`isProperty

isProperty(token: number | Token): boolean
Parameters
- token: number | Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:643

`Static`isPropertyName

isPropertyName(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:637

`Static`isPropertyOrCall

isPropertyOrCall(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:625

`Static`isShift

isShift(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:755

`Static`isStrictReservedWord

isStrictReservedWord(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:764

`Static`isTemplate

isTemplate(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:582

`Static`isUnary

isUnary(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:717

`Static`isUnaryOrCount

isUnaryOrCount(token: Token): boolean
Parameters
- token: Token
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:739

`Static`isValidIdentifier

isValidIdentifier(
    token: Token,
    mode: LanguageMode,
    isGenerator: boolean,
    disallowAwait: boolean,
): boolean
Parameters
- token: Token
- mode: LanguageMode
- isGenerator: boolean
- disallowAwait: boolean
Returns boolean
- Defined in git/aurora/src/expressions/v8/token.ts:787

`Static`openOf

openOf(token: Token): Token
Parameters
- token: Token
Returns Token
- Defined in git/aurora/src/expressions/v8/token.ts:467

`Static`precedence

precedence(token: Token, acceptIN: boolean): number
Parameters
- token: Token
- acceptIN: boolean
Returns number
- Defined in git/aurora/src/expressions/v8/token.ts:794

Class Token

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

Returns Token

Properties

Static ReadonlyADD

Static ReadonlyADD_ASSIGN

Static ReadonlyAND

Static ReadonlyAND_ASSIGN

Static ReadonlyARROW

Static ReadonlyASSIGN

Static ReadonlyASYNC

Static ReadonlyAWAIT

Static ReadonlyBIGINT

Static ReadonlyBIND

Static ReadonlyBIT_AND

Static ReadonlyBIT_AND_ASSIGN

Static ReadonlyBIT_NOT

Static ReadonlyBIT_OR

Static ReadonlyBIT_OR_ASSIGN

Static ReadonlyBIT_XOR

Static ReadonlyBIT_XOR_ASSIGN

Static ReadonlyBREAK

Static ReadonlyCASE

Static ReadonlyCATCH

Static ReadonlyCLASS

Static ReadonlyCOLON

Static ReadonlyCOMMA

Static ReadonlyCONDITIONAL

Static ReadonlyCONST

Static ReadonlyCONTINUE

Static ReadonlyDEBUGGER

Static ReadonlyDEC

Static ReadonlyDEFAULT

Static ReadonlyDELETE

Static ReadonlyDIV

Static ReadonlyDIV_ASSIGN

Static ReadonlyDO

Static ReadonlyELLIPSIS

Static ReadonlyELSE

Static ReadonlyENUM

Static ReadonlyEOS

Static ReadonlyEQ

Static ReadonlyEQ_STRICT

Static ReadonlyESCAPED_KEYWORD

Static ReadonlyEXP

Static ReadonlyEXP_ASSIGN

Static ReadonlyEXPORT

Static ReadonlyEXTENDS

Static ReadonlyFALSE_LITERAL

Static ReadonlyFINALLY

Static ReadonlyFOR

Static ReadonlyFUNCTION

Static ReadonlyGET

Static ReadonlyGT

Static ReadonlyGTE

Static ReadonlyIDENTIFIER

Static ReadonlyIF

Static ReadonlyILLEGAL

Static ReadonlyIMPLEMENTS

Static ReadonlyIMPORT

Static ReadonlyIN

Static ReadonlyINC

Static ReadonlyINSTANCEOF

Static ReadonlyINTERFACE

Static ReadonlyLARGER

Static ReadonlyLARGER_ASSIGN

Static ReadonlyLBRACE

Static ReadonlyLBRACK

Static ReadonlyLET

Static ReadonlyLPAREN

Static ReadonlyLT

Static ReadonlyLTE

Static ReadonlyMOD

Static ReadonlyMOD_ASSIGN

`Static` `Readonly`ADD

`Static` `Readonly`ADD_ASSIGN

`Static` `Readonly`AND

`Static` `Readonly`AND_ASSIGN

`Static` `Readonly`ARROW

`Static` `Readonly`ASSIGN

`Static` `Readonly`ASYNC

`Static` `Readonly`AWAIT

`Static` `Readonly`BIGINT

`Static` `Readonly`BIND

`Static` `Readonly`BIT_AND

`Static` `Readonly`BIT_AND_ASSIGN

`Static` `Readonly`BIT_NOT

`Static` `Readonly`BIT_OR

`Static` `Readonly`BIT_OR_ASSIGN

`Static` `Readonly`BIT_XOR

`Static` `Readonly`BIT_XOR_ASSIGN

`Static` `Readonly`BREAK

`Static` `Readonly`CASE

`Static` `Readonly`CATCH

`Static` `Readonly`CLASS

`Static` `Readonly`COLON

`Static` `Readonly`COMMA

`Static` `Readonly`CONDITIONAL

`Static` `Readonly`CONST

`Static` `Readonly`CONTINUE

`Static` `Readonly`DEBUGGER

`Static` `Readonly`DEC

`Static` `Readonly`DEFAULT

`Static` `Readonly`DELETE

`Static` `Readonly`DIV

`Static` `Readonly`DIV_ASSIGN

`Static` `Readonly`DO

`Static` `Readonly`ELLIPSIS

`Static` `Readonly`ELSE

`Static` `Readonly`ENUM

`Static` `Readonly`EOS

`Static` `Readonly`EQ

`Static` `Readonly`EQ_STRICT

`Static` `Readonly`ESCAPED_KEYWORD

`Static` `Readonly`EXP

`Static` `Readonly`EXP_ASSIGN

`Static` `Readonly`EXPORT

`Static` `Readonly`EXTENDS

`Static` `Readonly`FALSE_LITERAL

`Static` `Readonly`FINALLY

`Static` `Readonly`FOR

`Static` `Readonly`FUNCTION

`Static` `Readonly`GET

`Static` `Readonly`GT

`Static` `Readonly`GTE

`Static` `Readonly`IDENTIFIER

`Static` `Readonly`IF

`Static` `Readonly`ILLEGAL

`Static` `Readonly`IMPLEMENTS

`Static` `Readonly`IMPORT

`Static` `Readonly`IN

`Static` `Readonly`INC

`Static` `Readonly`INSTANCEOF

`Static` `Readonly`INTERFACE

`Static` `Readonly`LARGER

`Static` `Readonly`LARGER_ASSIGN

`Static` `Readonly`LBRACE

`Static` `Readonly`LBRACK

`Static` `Readonly`LET

`Static` `Readonly`LPAREN

`Static` `Readonly`LT

`Static` `Readonly`LTE

`Static` `Readonly`MOD

`Static` `Readonly`MOD_ASSIGN

`Static` `Readonly`MODULO

`Static` `Readonly`MODULO_ASSIGN

`Static` `Readonly`MUL

`Static` `Readonly`MUL_ASSIGN

`Static` `Readonly`NE

`Static` `Readonly`NE_STRICT

`Static` `Readonly`NEW

`Static` `Readonly`NOT

`Static` `Readonly`NULL_LITERAL

`Static` `Readonly`NULLISH