@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        SSHCredentials that = (SSHCredentials) o;
        return !(host != null ? !host.equals(that.host) : that.host != null)
                && !(pass != null ? !pass.equals(that.pass) : that.pass != null)
                && !(userName != null ? !userName.equals(that.userName) : that.userName != null);
    }