class Spoom::LSP::Client

def hover(uri, line, column)
  json = send(Request.new(
    next_id,
    'textDocument/hover',
    {
      'textDocument' => {
        'uri' => uri,
      },
      'position' => {
        'line' => line,
        'character' => column,
      },
    }
  ))
  return nil unless json['result']
  Hover.from_json(json['result'])
end