Can't reference javax.ws.rs.core.Response.Status enum in @ApiResponse.responseCode

@ApiResponse.responseCode is a String. It seems like I am supposed to write a string literal containing the response code, such as "400", "402" etc.
I can't remember the numeric status codes. The implementation of the method references the Jax-RS javax.ws.rs.core.Response.Status when it needs a response code. It seems a shame that I either have to use a string literal magic constant or define my own set of constants somewhere.
I can't use the constants on HttpServletResponse, as they are defined as ints. I need a constant expression so I can't call Integer.toString etc on anything.
Whilst the spec defines this as a string, so responseCode needs to be a string, providing a second property that you can set to a Status value would seem sensible?

Locate the @ApiResponse annotation definition and the code that consumes responseCode; first inspect how annotation properties are represented and validated. Determine whether a typed Status-valued property can coexist with the specification’s string response code, then check the relevant annotation or API tests. Done means the requested constant-based usage is supported without breaking the existing responseCode behavior.