import { AviatorLexer } from './lexer';
import { Token } from './token';
import { Expr } from './ast';
export declare class Pratt {
    private lexer;
    private token;
    private lookahead;
    private result;
    private externalTokenProvider;
    constructor(lexerOrProvider?: AviatorLexer | (() => Token));
    static parse(code: string): Expr;
    parseExpression(): Expr;
    parse(): Expr;
    private expr;
    private primary;
    private prefixExpr;
    private infixExpr;
    private postfixExpr;
    private subExpr;
    private leaf;
    private lambda;
    private conditional;
    private objectAccess;
    private functionCall;
    private getToken;
    private tokenIs;
    private peekUnary;
    private peekLeaf;
    private next;
    private peek;
    private peekType;
    private eat;
}
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