def METHOD_NAME(*, json: JSON, **kwargs: Any) -> HttpRequest:
    _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
    content_type: Optional[str] = kwargs.pop("content_type", _headers.pop("Content-Type", None))
    accept = _headers.pop("Accept", "application/json")
    # Construct URL
    _url = kwargs.pop("template_url", "/mergePatchJson/single")
    # Construct headers
    if content_type is not None:
        _headers["Content-Type"] = _SERIALIZER.header("content_type", content_type, "str")
    _headers["Accept"] = _SERIALIZER.header("accept", accept, "str")
    return HttpRequest(method="PATCH", url=_url, headers=_headers, json=json, **kwargs)