{
  name_of_child_agg: {
    aggregations: {
      average_per_child: {
        avg: {
          field: confidenceFactor
        }
      },
      max_per_child: {
        max: {
          field: confidenceFactor
        }
      },
      min_per_child: {
        min: {
          field: confidenceFactor
        }
      }
    },
    children: {
      type: commits
    }
  }
}