import { FPrinterRCH } from "../../constants/RCH/fprinter.RCH";
import { RCHProtocol } from "../../constants/RCH/RCH.type";
export declare class RCHXmlHttpClient extends FPrinterRCH.Client {
    private static XML_ROOT;
    private static XML_BODY;
    private static XML_REQ;
    /**
     * send Command to fiscal printer
     * @param commands
     */
    executeCommand(commands: RCHProtocol.Commands): Promise<FPrinterRCH.Response>;
    /**
     * send to the printer server
     * @param xmlDoc
     * @returns
     */
    private send;
    /**
     * Request Message Format:
     * <?xml version="1.0" encoding="utf-8"?>
     * <Service>
     *      <cmd>
     *          ...
     *      </cmd>
     * </Service>
     * @param xmlDoc
     * @returns
     */
    private parseRequest;
    /**
     * Response Message Format:
     * <?xml version="1.0" encoding="utf-8"?>
     * <Service>
     *      <Request>
     *          <errorCode>0</errorCode>
                <printerError>0</printerError>
                <paperEnd>0</paperEnd>
                <coverOpen>0</coverOpen>
                <lastCmd>2</lastCmd>
                <busy>0</busy>
     *      </Request>
     * </Service>
     * @param xmlStr
     */
    private parseResponse;
    /**
     * convert `RCHProtocol.Command` to the object that printer server supports.
     * @param commands
     * @returns
     */
    private convertCommandToXmlDoc;
}