type t = | T_NUMBER of {kind: number_type,raw: string,
}| T_BIGINT of {kind: bigint_type,raw: string,
}| T_STRING((Loc.t, string, string, bool))| T_TEMPLATE_PART((Loc.t, string, string, bool, bool))| T_IDENTIFIER of {loc: Loc.t,value: string,raw: string,
}| T_REGEXP(Loc.t, string, string)| T_LCURLY| T_RCURLY| T_LCURLYBAR| T_RCURLYBAR| T_LPAREN| T_RPAREN| T_LBRACKET| T_RBRACKET| T_SEMICOLON| T_COMMA| T_PERIOD| T_ARROW| T_ELLIPSIS| T_AT| T_POUND| T_FUNCTION| T_IF| T_IN| T_INSTANCEOF| T_RETURN| T_SWITCH| T_THIS| T_THROW| T_TRY| T_VAR| T_WHILE| T_WITH| T_CONST| T_LET| T_NULL| T_FALSE| T_TRUE| T_BREAK| T_CASE| T_CATCH| T_CONTINUE| T_DEFAULT| T_DO| T_FINALLY| T_FOR| T_CLASS| T_EXTENDS| T_STATIC| T_ELSE| T_NEW| T_DELETE| T_TYPEOF| T_VOID| T_ENUM| T_EXPORT| T_IMPORT| T_SUPER| T_IMPLEMENTS| T_INTERFACE| T_PACKAGE| T_PRIVATE| T_PROTECTED| T_PUBLIC| T_YIELD| T_DEBUGGER| T_DECLARE| T_TYPE| T_OPAQUE| T_OF| T_ASYNC| T_AWAIT| T_CHECKS| T_RSHIFT3_ASSIGN| T_RSHIFT_ASSIGN| T_LSHIFT_ASSIGN| T_BIT_XOR_ASSIGN| T_BIT_OR_ASSIGN| T_BIT_AND_ASSIGN| T_MOD_ASSIGN| T_DIV_ASSIGN| T_MULT_ASSIGN| T_EXP_ASSIGN| T_MINUS_ASSIGN| T_PLUS_ASSIGN| T_NULLISH_ASSIGN| T_AND_ASSIGN| T_OR_ASSIGN| T_ASSIGN| T_PLING_PERIOD| T_PLING_PLING| T_PLING| T_COLON| T_OR| T_AND| T_BIT_OR| T_BIT_XOR| T_BIT_AND| T_EQUAL| T_NOT_EQUAL| T_STRICT_EQUAL| T_STRICT_NOT_EQUAL| T_LESS_THAN_EQUAL| T_GREATER_THAN_EQUAL| T_LESS_THAN| T_GREATER_THAN| T_LSHIFT| T_RSHIFT| T_RSHIFT3| T_PLUS| T_MINUS| T_DIV| T_MULT| T_EXP| T_MOD| T_NOT| T_BIT_NOT| T_INCR| T_DECR| T_INTERPRETER(Loc.t, string)| T_ERROR(string)| T_EOF| T_JSX_IDENTIFIER of {raw: string,loc: Loc.t,
}| T_JSX_CHILD_TEXT(Loc.t, string, string)| T_JSX_QUOTE_TEXT(Loc.t, string, string)| T_ANY_TYPE| T_MIXED_TYPE| T_EMPTY_TYPE| T_BOOLEAN_TYPE(bool_or_boolean)| T_NUMBER_TYPE| T_BIGINT_TYPE| T_NUMBER_SINGLETON_TYPE of {kind: number_type,value: float,raw: string,
}| T_BIGINT_SINGLETON_TYPE of {kind: bigint_type,value: option(int64),raw: string,
}| T_STRING_TYPE| T_VOID_TYPE| T_SYMBOL_TYPE| T_UNKNOWN_TYPE| T_NEVER_TYPE| T_UNDEFINED_TYPE| T_KEYOF| T_READONLY| T_INFER| T_IS| T_ASSERTS| T_RENDERS_QUESTION| T_RENDERS_STAR
;and bool_or_boolean = | BOOL| BOOLEAN
;and number_type = | BINARY| LEGACY_OCTAL| LEGACY_NON_OCTAL| OCTAL| NORMAL
;and bigint_type = | BIG_BINARY| BIG_OCTAL| BIG_NORMAL
;let equal: t => t => bool;let token_to_string: t => string;let value_of_token: t => string;let quote_token_value: string => string;let explanation_of_token: ?use_article:bool => t => string;