Enum containing possible user list size ranges.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/enums/user_list_size_range.proto)

| Enums ||
|---|---|
| ## `FIFTY_THOUSAND_TO_ONE_HUNDRED_THOUSAND` | User list has number of users in range of 50000 to 100000. |
| ## `FIVE_HUNDRED_THOUSAND_TO_ONE_MILLION` | User list has number of users in range of 500000 to 1 million. |
| ## `FIVE_MILLION_TO_TEN_MILLION` | User list has number of users in range of 5 to 10 millions. |
| ## `LESS_THAN_FIVE_HUNDRED` | User list has less than 500 users. |
| ## `LESS_THAN_ONE_THOUSAND` | User list has number of users in range of 500 to 1000. |
| ## `ONE_HUNDRED_THOUSAND_TO_THREE_HUNDRED_THOUSAND` | User list has number of users in range of 100000 to 300000. |
| ## `ONE_MILLION_TO_TWO_MILLION` | User list has number of users in range of 1 to 2 millions. |
| ## `ONE_THOUSAND_TO_TEN_THOUSAND` | User list has number of users in range of 1000 to 10000. |
| ## `OVER_FIFTY_MILLION` | User list has over 50 million users. |
| ## `TEN_MILLION_TO_TWENTY_MILLION` | User list has number of users in range of 10 to 20 millions. |
| ## `TEN_THOUSAND_TO_FIFTY_THOUSAND` | User list has number of users in range of 10000 to 50000. |
| ## `THIRTY_MILLION_TO_FIFTY_MILLION` | User list has number of users in range of 30 to 50 millions. |
| ## `THREE_HUNDRED_THOUSAND_TO_FIVE_HUNDRED_THOUSAND` | User list has number of users in range of 300000 to 500000. |
| ## `THREE_MILLION_TO_FIVE_MILLION` | User list has number of users in range of 3 to 5 millions. |
| ## `TWENTY_MILLION_TO_THIRTY_MILLION` | User list has number of users in range of 20 to 30 millions. |
| ## `TWO_MILLION_TO_THREE_MILLION` | User list has number of users in range of 2 to 3 millions. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |