message: Fix missing TextDocumentRegistrationOptions for folding ranges
diff: * Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
  -import { RequestType } from 'vscode-jsonrpc';
  +import { RequestType, RequestHandler } from 'vscode-jsonrpc';
  import { TextDocumentIdentifier } from 'vscode-languageserver-types';
  import { TextDocumentRegistrationOptions, StaticRegistrationOptions } from './protocol';
  @@ -116,5 +116,6 @@ export interface FoldingRangeParams {
  * that resolves to such.
  */
  export namespace FoldingRangeRequest {
  - export const type: RequestType<FoldingRangeParams, FoldingRange[] | null, any, any> = new RequestType('textDocument/foldingRange');
  + export const type: RequestType<FoldingRangeParams, FoldingRange[] | null, any, TextDocumentRegistrationOptions> = new RequestType('textDocument/foldingRange');
  + export type HandlerSignature = RequestHandler<FoldingRangeParams, FoldingRange[] | null, void>;
  }
  \ No newline at end of file
  