message: flip alias variable name
diff: @@ -81,8 +81,8 @@ pub struct TermsAggregation {
  ///
  /// Should never be smaller than size.
  #[serde(skip_serializing_if = "Option::is_none", default)]
  - #[serde(alias = "split_size")]
  - pub shard_size: Option<u32>,
  + #[serde(alias = "shard_size")]
  + pub split_size: Option<u32>,
  /// The get more accurate results, we fetch more than `size` from each segment.
  ///
  @@ -573,7 +573,7 @@ mod tests {
  bucket_agg: BucketAggregationType::Terms(TermsAggregation {
  field: "string_id".to_string(),
  size: Some(2),
  - shard_size: Some(2),
  + split_size: Some(2),
  ..Default::default()
  }),
  sub_aggregation: Default::default(),
  @@ -1227,7 +1227,7 @@ mod tests {
  Aggregation::Bucket(BucketAggregation {
  bucket_agg: BucketAggregationType::Terms(TermsAggregation {
  field: "string_id".to_string(),
  - shard_size: Some(2),
  + split_size: Some(2),
  ..Default::default()
  }),
  sub_aggregation: Default::default(),
  