export declare function lodopInit(): Promise<unknown>;
export declare function getPrinterList(): never[];
export declare function getPrinterNameList(): never[];
export declare function getDefaultPrinter(): Promise<any>;
export interface PrintParaI {
    direction?: 1 | 2 | 3 | 0;
    page_width?: number;
    page_height?: number;
    page_type?: string;
    print_duplex?: 0 | 1 | 2 | 3;
    print_defaultsource?: 0 | 1 | 4 | 7;
    print_mode_map?: {
        PRINT_PAGE_PERCENT: string;
    };
}
export declare function preview(params: {
    pdfurl: string;
    print_para?: PrintParaI;
}): Promise<unknown>;
export declare function print(params: {
    pdfurl: string;
    print_para?: PrintParaI;
    printer?: string | -1;
}): Promise<unknown>;
export declare function printNeedSelectPrinter(url: string, print_para?: PrintParaI): Promise<unknown>;