export declare class DownloadState {
    id: string;
    title: string;
    type: DownloadType;
    status: DownloadStatus;
    error?: string;
    progress: number;
    children: DownloadItem[];
}
export declare enum DownloadStatus {
    Pending = "pending",
    Downloading = "downloading",
    Error = "error",
    Downloaded = "downloaded"
}
export declare class DownloadItem {
    id: string;
    time: {
        elapsed: number;
        remaining: number;
    };
    size: {
        total: number;
        transferred: number;
    };
    progress: number;
    checksum?: string;
    status: DownloadStatus;
    error?: string;
    metadata?: Record<string, unknown>;
}
export interface DownloadStateEvent {
    data: DownloadState[];
}
export declare enum DownloadType {
    Model = "model",
    Miscelanous = "miscelanous",
    Engine = "engine"
}