Enum listing the possible shared set types.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/enums/shared_set_type.proto)

| Enums ||
|---|---|
| ## `ACCOUNT_LEVEL_NEGATIVE_KEYWORDS` | An account-level set of keywords that can be excluded from targeting. |
| ## `BRANDS` | A set of brands can be included or excluded from targeting. |
| ## `NEGATIVE_KEYWORDS` | A set of keywords that can be excluded from targeting. |
| ## `NEGATIVE_PLACEMENTS` | A set of placements that can be excluded from targeting. |
| ## `RETAIL_FILTER` | A set representing Retail Filter, which is used for filtering offers served in a campaign. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `VERTICAL_ADS_ITEM_GROUP_RULE_LIST` | A set of vertical ads item group rules that can be included or excluded from targeting in Vertical Ads (e.g., for hotel ads). |
| ## `WEBPAGES` | A set of webpages that can be excluded from targeting. This shared set type is not publicly available. |