class Solargraph::LanguageServer::Message::TextDocument::FoldingRange

def process
  result = host.folding_ranges(params['textDocument']['uri']).map do |range|
    {
      startLine: range.start.line,
      startCharacter: 0,
      endLine: range.ending.line - 1,
      endCharacter: 0,
      kind: 'region'
    }
  end
  set_result result
end