/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
export declare const $EOF: number;
export declare const $TAB: number;
export declare const $LF: number;
export declare const $VTAB: number;
export declare const $FF: number;
export declare const $CR: number;
export declare const $SPACE: number;
export declare const $BANG: number;
export declare const $DQ: number;
export declare const $HASH: number;
export declare const $$: number;
export declare const $PERCENT: number;
export declare const $AMPERSAND: number;
export declare const $SQ: number;
export declare const $LPAREN: number;
export declare const $RPAREN: number;
export declare const $STAR: number;
export declare const $PLUS: number;
export declare const $COMMA: number;
export declare const $MINUS: number;
export declare const $PERIOD: number;
export declare const $SLASH: number;
export declare const $COLON: number;
export declare const $SEMICOLON: number;
export declare const $LT: number;
export declare const $EQ: number;
export declare const $GT: number;
export declare const $QUESTION: number;
export declare const $0: number;
export declare const $9: number;
export declare const $A: number;
export declare const $E: number;
export declare const $F: number;
export declare const $X: number;
export declare const $Z: number;
export declare const $LBRACKET: number;
export declare const $BACKSLASH: number;
export declare const $RBRACKET: number;
export declare const $CARET: number;
export declare const $_: number;
export declare const $a: number;
export declare const $e: number;
export declare const $f: number;
export declare const $n: number;
export declare const $r: number;
export declare const $t: number;
export declare const $u: number;
export declare const $v: number;
export declare const $x: number;
export declare const $z: number;
export declare const $LBRACE: number;
export declare const $BAR: number;
export declare const $RBRACE: number;
export declare const $NBSP: number;
export declare const $PIPE: number;
export declare const $TILDA: number;
export declare const $AT: number;
export declare const $BT: number;
export declare function isWhitespace(code: number): boolean;
export declare function isDigit(code: number): boolean;
export declare function isAsciiLetter(code: number): boolean;
export declare function isAsciiHexDigit(code: number): boolean;
