import type { HmemSyncClient } from '../api.js';
export interface PushBlob {
    proposed_id: string;
    data: string;
    device_id: string;
    updated_at: string;
}
export interface PulledBlob {
    id: number;
    client_proposed_id: string | null;
    data: string;
    device_id: string | null;
    created_at: string;
    updated_at: string;
    deleted_at: string | null;
    server_received_at: string;
}
export interface SyncTransport {
    push(req: {
        file_id: string;
        idempotency_key: string;
        client_schema_major: number;
        blobs: PushBlob[];
    }): Promise<{
        mappings: {
            proposed_id: string;
            final_id: number;
        }[];
    }>;
    pull(req: {
        file_id: string;
        cursor: string | null;
        client_schema_major: number;
    }): Promise<{
        blobs: PulledBlob[];
        server_time: string;
        salt: string | null;
        has_more: boolean;
        next_cursor: string;
    }>;
}
/** Adapt the HTTP client to the SyncTransport seam; always tags requests client_schema_major=2. */
export declare function makeHttpTransport(client: HmemSyncClient): SyncTransport;