code: public Comment updateComment(long sheetId, Comment comment) throws SmartsheetException {
          return this.updateResource("sheets/" + sheetId + "/comments/" + comment.getId(), Comment.class, comment);
      }
docs: Update the specified comment
  
  It mirrors to the following Smartsheet REST API method: PUT /sheets/{sheetId}/comments/{commentId}
  
  @param sheetId the sheet id
  @param comment the new comment object
  @return the updated comment
  @throws IllegalArgumentException if any argument is null or empty string
  @throws InvalidRequestException if there is any problem with the REST API request
  @throws AuthorizationException if there is any problem with  the REST API authorization (access token)
  @throws ResourceNotFoundException if the resource cannot be found
  @throws ServiceUnavailableException if the REST API service is not available (possibly due to rate limiting)
  @throws SmartsheetException if there is any other error during the operation