import type { DebugNode, DebugOptions } from './debug.types';
export declare const formatDebugTree: (node: DebugNode, options: DebugOptions) => string;
export declare const formatOperatorLabel: (operator: string) => string;
export declare const formatValue: (value: unknown) => string;
export declare const formatMatchStats: (node: DebugNode, options: {
    colorize: boolean;
}) => string;