*/
    public int getReturnCode() {
        return returnCode;
    }

    /**
     * Sets the return code.
     *
     * @param returnCode the return code
     */
    public void setReturnCode(int returnCode) {
        this.returnCode = returnCode;
    }

    public int getReturnCode() {
        return returnCode;
    }

    /**
     * Sets the return code for the RPC operation.
     *
     * @param returnCode the return code to set
     */
    public void setReturnCode(int returnCode) {
        this.returnCode = returnCode;
    }

    /**
     * Checks if the RPC operation was successful.
     *
     * @return true if successful (return code is ERROR_SUCCESS)
     */

     */
    public int getReturnCode() {
        return returnCode;
    }

    /**
     * Sets the return code.
     *
     * @param returnCode the return code
     */
    public void setReturnCode(int returnCode) {
        this.returnCode = returnCode;
    }

    /**
     * Gets the recommended heartbeat interval.
     *
     * @return the recommended heartbeat interval in milliseconds
     */

     */
    public int getReturnCode() {
        return returnCode;
    }

    /**
     * Sets the return code.
     *
     * @param returnCode the return code
     */
    public void setReturnCode(int returnCode) {
        this.returnCode = returnCode;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {