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LineupAttributeMetadata

Metadata associated with a Lineup attribute.

Fields
`inventory_country`	`LocationInfo` The national market associated with the lineup.
`sample_channels[]`	`SampleChannel` Examples of channels that are included in the lineup.
`median_monthly_inventory`	`int64` The median number of impressions per month on this lineup.
`channel_count_lower_bound`	`int64` The lower end of a range containing the number of channels in the lineup.
`channel_count_upper_bound`	`int64` The upper end of a range containing the number of channels in the lineup.

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Last updated 2025-08-07 UTC.

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