import type { BackendType } from '../adapters/backend/types.js';
import { type HerdrResult } from '../setup/ensure-herdr.js';
import { type TmuxResult } from '../setup/ensure-tmux.js';
import { probeZellijFunctional } from '../setup/ensure-zellij.js';
import { probeZmxFunctional } from '../setup/ensure-zmx.js';
export type BackendAvailabilityResult = {
    ok: true;
    backendType: BackendType;
    version?: string;
} | {
    ok: false;
    backendType: BackendType;
    reason: string;
    manualCommand?: string;
};
export interface BackendAvailabilityDeps {
    ensureTmux(): Promise<TmuxResult>;
    ensureHerdr(): Promise<HerdrResult>;
    probeZellijFunctional(): ReturnType<typeof probeZellijFunctional>;
    probeZmxFunctional(): ReturnType<typeof probeZmxFunctional>;
}
/**
 * Prepare a backend before persisting a dashboard override. This keeps the UI
 * promise honest: a successful save means the next session can actually start
 * on that backend. tmux/herdr may install through their existing official
 * bootstrap paths; zellij/zmx are probe-only and return actionable failures.
 */
export declare function ensureBackendAvailable(backendType: BackendType, overrides?: Partial<BackendAvailabilityDeps>): Promise<BackendAvailabilityResult>;
//# sourceMappingURL=backend-availability.d.ts.map