import Tokenizer from "../tokenizer";
import { TokenType } from "../tokenizer/types";
export default class UtilParser extends Tokenizer {
    isContextual(name: string): boolean;
    isLookaheadContextual(name: string): boolean;
    eatContextual(name: string): boolean;
    expectContextual(name: string, message?: string): void;
    canInsertSemicolon(): boolean;
    hasPrecedingLineBreak(): boolean;
    isLineTerminator(): boolean;
    semicolon(): void;
    expect(type: TokenType, pos?: number | null): void;
    unexpected(pos?: number | null, messageOrType?: string | TokenType): never;
}