Update docs.

Author: lukeelmers

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.agggrouplabels.md

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+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) &gt; [AggGroupLabels](./kibana-plugin-plugins-data-public.agggrouplabels.md)
+
+## AggGroupLabels variable
+
+<b>Signature:</b>
+
+```typescript
+AggGroupLabels: {
+    [AggGroupNames.Buckets]: string;
+    [AggGroupNames.Metrics]: string;
+    [AggGroupNames.None]: string;
+}
+```

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.agggroupname.md

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+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) &gt; [AggGroupName](./kibana-plugin-plugins-data-public.agggroupname.md)
+
+## AggGroupName type
+
+<b>Signature:</b>
+
+```typescript
+export declare type AggGroupName = $Values<typeof AggGroupNames>;
+```