public Date getValidFrom() {
        return validFrom;
    }
Returns the day after which this account becomes valid and usable.
Account validity begins at midnight of this day. Any time information
within the returned Date object must be ignored.

@return
    The day after which this account becomes valid and usable, or null
    if this restriction does not apply.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/UserModel.java