OpenAPI-generated R client with errors related to self as a model property name

my_object_actual.R

# R reserved words bug example
#
# No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
#
# The version of the OpenAPI document: 0.0.1
# 
# Generated by: https://openapi-generator.tech

#' @docType class
#' @title MyObject
#'
#' @description MyObject Class
#'
#' @format An \code{R6Class} generator object
#'
#' @field self  character [optional]
#'
#' @importFrom R6 R6Class
#' @importFrom jsonlite fromJSON toJSON
#' @export
MyObject <- R6::R6Class(
  'MyObject',
  public = list(
    `self` = NULL,
    initialize = function(
        `self`=NULL, ...
    ) {
      local.optional.var <- list(...)
      if (!is.null(`self`)) {
        stopifnot(is.character(`self`), length(`self`) == 1)
        self$`self` <- `self`
      }
    },
    toJSON = function() {
      MyObjectObject <- list()
      if (!is.null(self$`self`)) {
        MyObjectObject[['self']] <-
          self$`self`
      }

      MyObjectObject
    },
    fromJSON = function(MyObjectJson) {
      MyObjectObject <- jsonlite::fromJSON(MyObjectJson)
      if (!is.null(MyObjectObject$`self`)) {
        self$`self` <- MyObjectObject$`self`
      }
      self
    },
    toJSONString = function() {
      jsoncontent <- c(
        if (!is.null(self$`self`)) {
        sprintf(
        '"self":
          "%s"
                ',
        self$`self`
        )}
      )
      jsoncontent <- paste(jsoncontent, collapse = ",")
      paste('{', jsoncontent, '}', sep = "")
    },
    fromJSONString = function(MyObjectJson) {
      MyObjectObject <- jsonlite::fromJSON(MyObjectJson)
      self$`self` <- MyObjectObject$`self`
      self
    }
  )
)

my_object_expected.R

# R reserved words bug example
#
# No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
#
# The version of the OpenAPI document: 0.0.1
# 
# Generated by: https://openapi-generator.tech

#' @docType class
#' @title MyObject
#'
#' @description MyObject Class
#'
#' @format An \code{R6Class} generator object
#'
#' @field self_  character [optional]
#'
#' @importFrom R6 R6Class
#' @importFrom jsonlite fromJSON toJSON
#' @export
MyObject <- R6::R6Class(
  'MyObject',
  public = list(
    `self_` = NULL,
    initialize = function(
        `self_`=NULL, ...
    ) {
      local.optional.var <- list(...)
      if (!is.null(`self_`)) {
        stopifnot(is.character(`self_`), length(`self_`) == 1)
        self$`self_` <- `self_`
      }
    },
    toJSON = function() {
      MyObjectObject <- list()
      if (!is.null(self$`self_`)) {
        MyObjectObject[['self']] <-
          self$`self_`
      }

      MyObjectObject
    },
    fromJSON = function(MyObjectJson) {
      MyObjectObject <- jsonlite::fromJSON(MyObjectJson)
      if (!is.null(MyObjectObject$`self`)) {
        self$`self_` <- MyObjectObject$`self`
      }
      self
    },
    toJSONString = function() {
      jsoncontent <- c(
        if (!is.null(self$`self_`)) {
        sprintf(
        '"self":
          "%s"
                ',
        self$`self_`
        )}
      )
      jsoncontent <- paste(jsoncontent, collapse = ",")
      paste('{', jsoncontent, '}', sep = "")
    },
    fromJSONString = function(MyObjectJson) {
      MyObjectObject <- jsonlite::fromJSON(MyObjectJson)
      self$`self_` <- MyObjectObject$`self`
      self
    }
  )
)

spec.yaml

openapi: 3.0.3
info:
  title: R reserved words bug example
  version: 0.0.1
paths:
  /example:
    post:
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MyObject'
      responses:
        '200':
          description: OK
components:
  schemas:
   MyObject:
    properties:
      self:
        type: string
    type: object