ColorsApiControllerV2.kt

@RestController
@ApiVersion(ApiVersionValue.V2_0_0)
class ColorsApiController : ColorsApi {
    override suspend fun getColors(): ResponseEntity<ColorListResponse> =
        ResponseEntity.ok(ColorListResponse(listOf(Color("V2.0.0 list color", "#f0f0f0"))))

    @ApiVersion(ApiVersionValue.V2_1_0)
    override suspend fun getColor(): ResponseEntity<Color> =
        ResponseEntity.ok(Color("V2.1.0 single color", "#f0f0f0"))
}