Represents the types of labels supported.
||Allows for the creation of labels to exclude competing ads from showing on the same page.|
||Allows for the creation of limits on the frequency that a user sees a particular type of creative over a portion of the inventory.|
||Allows for the creation of labels to exclude ads from showing against a tag that specifies the label as an exclusion.|
||Allows for the creation of labels that can be used to force the wrapping of a delivering creative with header/footer creatives. These labels are paired with a CreativeWrapper.|
||Allows for the creation of labels mapped to a Google canonical ad category, which can be used for competitive exclusions and blocking across Google systems.|
||The value returned if the actual value is not exposed by the requested API version.|