POST - Retrieve search source builder.

post-get-source-builder.groovy

SearchSourceBuilder getSearchSourceBuilder(QueryWrapper queryWrapper) {
  SearchSourceBuilder sourceBuilder = new SearchSourceBuilder()

  if (queryWrapper.query) { 
    sourceBuilder.query(queryWrapper.query)
  }

  if (queryWrapper.fields) {
    sourceBuilder.fields(queryWrapper.fields)
  }
  // ... same for sorting, pagination, agregation, highlighting, etc.
  return sourceBuilder
}