Enum representing the number of days between impression and conversion.

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

| Enums ||
|---|---|
| ## `EIGHT_TO_NINE_DAYS` | Conversion lag bucket from 8 to 9 days. 8 days is included, 9 days is not. |
| ## `ELEVEN_TO_TWELVE_DAYS` | Conversion lag bucket from 11 to 12 days. 11 days is included, 12 days is not. |
| ## `FIVE_TO_SIX_DAYS` | Conversion lag bucket from 5 to 6 days. 5 days is included, 6 days is not. |
| ## `FORTY_FIVE_TO_SIXTY_DAYS` | Conversion lag bucket from 45 to 60 days. 45 days is included, 60 days is not. |
| ## `FOURTEEN_TO_TWENTY_ONE_DAYS` | Conversion lag bucket from 14 to 21 days. 14 days is included, 21 days is not. |
| ## `FOUR_TO_FIVE_DAYS` | Conversion lag bucket from 4 to 5 days. 4 days is included, 5 days is not. |
| ## `LESS_THAN_ONE_DAY` | Conversion lag bucket from 0 to 1 day. 0 day is included, 1 day is not. |
| ## `NINE_TO_TEN_DAYS` | Conversion lag bucket from 9 to 10 days. 9 days is included, 10 days is not. |
| ## `ONE_TO_TWO_DAYS` | Conversion lag bucket from 1 to 2 days. 1 day is included, 2 days is not. |
| ## `SEVEN_TO_EIGHT_DAYS` | Conversion lag bucket from 7 to 8 days. 7 days is included, 8 days is not. |
| ## `SIXTY_TO_NINETY_DAYS` | Conversion lag bucket from 60 to 90 days. 60 days is included, 90 days is not. |
| ## `SIX_TO_SEVEN_DAYS` | Conversion lag bucket from 6 to 7 days. 6 days is included, 7 days is not. |
| ## `TEN_TO_ELEVEN_DAYS` | Conversion lag bucket from 10 to 11 days. 10 days is included, 11 days is not. |
| ## `THIRTEEN_TO_FOURTEEN_DAYS` | Conversion lag bucket from 13 to 14 days. 13 days is included, 14 days is not. |
| ## `THIRTY_TO_FORTY_FIVE_DAYS` | Conversion lag bucket from 30 to 45 days. 30 days is included, 45 days is not. |
| ## `THREE_TO_FOUR_DAYS` | Conversion lag bucket from 3 to 4 days. 3 days is included, 4 days is not. |
| ## `TWELVE_TO_THIRTEEN_DAYS` | Conversion lag bucket from 12 to 13 days. 12 days is included, 13 days is not. |
| ## `TWENTY_ONE_TO_THIRTY_DAYS` | Conversion lag bucket from 21 to 30 days. 21 days is included, 30 days is not. |
| ## `TWO_TO_THREE_DAYS` | Conversion lag bucket from 2 to 3 days. 2 days is included, 3 days is not. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |