code: public RemoteUpdateResult updateMany(
        final Bson filter,
        final Bson update,
        final RemoteUpdateOptions updateOptions
    ) {
      return proxy.updateMany(filter, update, updateOptions);
    }
docs: Update all documents in the collection according to the specified arguments.
  
  @param filter        a document describing the query filter, which may not be null.
  @param update        a document describing the update, which may not be null. The update to
  apply must include only update operators.
  @param updateOptions the options to apply to the update operation
  @return the result of the update many operation