import { AST } from './core';
import { ZebuLanguageReturning } from './lang';
declare type Fixity = 'left' | 'right' | 'pre' | 'post';
declare type SeqFn = (...xs: unknown[]) => unknown;
declare type OpExpr = {
    pattern: string[];
    fn: SeqFn;
};
declare type Rule = {
    fixity: Fixity;
    operators: OpExpr[];
};
export declare const op: ZebuLanguageReturning<ZebuLanguageReturning<unknown>>;
export declare function buildAST(rules: Rule[], rootExpr: string): AST;
export {};