Bar Grouping Type
| Type | Description |
|---|---|
| grouped | Render bars for each series that shares a domain value side-by-side |
 | |
| stacked | Render bars for each series that shares a domain value in a stack, ordered in the same order as the series list |
 | |
| groupedStacked | Render bars for each series that shares a domain value in a group of bar stacks. Each stack will contain all the series that share a series category |
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