export declare enum KeyboardPwdType {
    /**
     * Unlimited
     */
    PWD_TYPE_PERMANENT = 1,
    /**
     * Limited times
     */
    PWD_TYPE_COUNT = 2,
    /**
     * Limited time
     */
    PWD_TYPE_PERIOD = 3,
    /**
     * Loop
     */
    PWD_TYPE_CIRCLE = 4
}