import { ASTNode } from './ast/ASTNode';
import { Token, TokenName } from './tokenizer';
import { InfixParse } from './parser/InfixParse';
import { PrefixParse } from './parser/PrefixParse';
export declare const prefixParserMap: Map<TokenName, PrefixParse>;
export declare const infixParserMap: Map<TokenName, InfixParse>;
export declare class Parser {
    tokens: Token[];
    currentIndex: number;
    constructor(tokens: Token[]);
    parse(): ASTNode;
    parseFormula(precedence?: number): ASTNode;
    getPrecedence(): number;
    /**
     * 如果匹配就前进到下一个 token
     */
    match(...tokenNames: TokenName[]): boolean;
    /**
     * 前进到下一个 token
     */
    next(expectTokenName?: TokenName): Token;
    peak(): Token | undefined;
    /**
     * 参考下一个 token 是什么
     */
    peakNext(): Token | undefined;
}