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@ -75,6 +75,7 @@ message Histogram {
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repeated Bucket bucket = 3; // Ordered in increasing order of upper_bound, +Inf bucket is optional.
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repeated Bucket bucket = 3; // Ordered in increasing order of upper_bound, +Inf bucket is optional.
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// Everything below here is for native histograms (also known as sparse histograms).
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// Everything below here is for native histograms (also known as sparse histograms).
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// Native histograms are an experimental feature without stability guarantees.
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// schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
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// schema defines the bucket schema. Currently, valid numbers are -4 <= n <= 8.
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// They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
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// They are all for base-2 bucket schemas, where 1 is a bucket boundary in each case, and
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