import type { BrowserConfig } from './types.js';
import { type AvailabilityResult } from './agent-browser/connection.js';
export type RoutingBackend = 'playwright' | 'agent-browser';
export interface RoutingDecision {
    backend: RoutingBackend;
    reason: string;
    probeMs: number;
    availability: AvailabilityResult | null;
}
export interface RoutingContext {
    config: BrowserConfig;
    surface?: string;
}
export declare function selectBackend(ctx: RoutingContext): Promise<RoutingDecision>;