import type { Transport } from './transport';
export declare function backendClient(t: Transport): {
    getBackendInfo: (signal?: AbortSignal) => Promise<{
        present: boolean;
        backend: string | null;
        module: string | null;
    }>;
    listFleetWorkers: (signal?: AbortSignal) => Promise<{
        workers: {
            name: string;
            kind: "backend" | "serve";
            pid: number;
            generation: number;
            joined_at: string;
            beat_at: string;
            state: "ready" | "resyncing" | "recycling";
            stale: boolean;
            last_op: {
                op: string;
                outcome: string;
                at: string;
            } | null;
        }[];
    }>;
    reloadFleetConfig: (targets: string[] | null) => Promise<{
        op: string;
        reachable: boolean;
        local_only: boolean;
        results: {
            name: string;
            outcome: "failed" | "applied" | "resyncing" | "recycling" | "stale" | "missing" | "departed" | "timed_out";
            payload: unknown;
            error: string | null;
            detail: string | null;
        }[];
        error: string | null;
    }>;
};
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