Allows for the creation of labels to exclude competing ads from showing on
the same page.
AD_UNIT_FREQUENCY_CAP
Allows for the creation of limits on the frequency that a user sees a
particular type of creative over a portion of the inventory.
AD_EXCLUSION
Allows for the creation of labels to exclude ads from showing against a tag
that specifies the label as an exclusion.
CREATIVE_WRAPPER
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.
CANONICAL_CATEGORY
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.
UNKNOWN
The value returned if the actual value is not exposed by the requested API
version.