import type { BackendDriver } from './driver.js';
export type DriverRegistryOptions = {
    codexTransport?: 'app-server';
};
export type DriverSelectionReason = 'preferred-cli' | 'codex-fallback';
export declare const CODEX_APP_SERVER_DRIVER_ID = "codex-app-server";
export declare const ANTIGRAVITY_DRIVER_ID = "antigravity";
export declare function createDefaultDriverRegistry(options?: DriverRegistryOptions): Record<string, BackendDriver>;
export declare function listDriverIds(drivers: Record<string, BackendDriver>): string[];
export declare function resolveDefaultDriverId(preferredCli: string | null | undefined, drivers: Record<string, BackendDriver>): string;
export declare function resolveDefaultDriverSelection(preferredCli: string | null | undefined, drivers: Record<string, BackendDriver>): {
    driverId: string;
    reason: DriverSelectionReason;
};
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