class Spoom::LSP::Client

def references(uri, line, column, include_decl = true)
  json = send(Request.new(
    next_id,
    'textDocument/references',
    {
      'textDocument' => {
        'uri' => uri,
      },
      'position' => {
        'line' => line,
        'character' => column,
      },
      'context' => {
        'includeDeclaration' => include_decl,
      },
    }
  ))
  json['result'].map { |loc| Location.from_json(loc) }
end