code: public ApiSuccessResponse getSnapshotContent(String snapshotId, GetSnapshotContentData getSnapshotContentData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = getSnapshotContentWithHttpInfo(snapshotId, getSnapshotContentData);
          return resp.getData();
      }
docs: Get the content of snapshot specified by startIndex and size.
  Get the content of snapshot specified by startIndex and size.
  @param snapshotId Id of the snapshot (required)
  @param getSnapshotContentData  (required)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body