)
        return violation
    }

    private static String prettyPrintJson(def acceptanceJson) {
        def stringWriter = new StringWriter()
        new JsonWriter(stringWriter).withCloseable { writer ->
            writer.setIndent("    ")
            new Gson().toJson(acceptanceJson, AcceptedApiChange, writer)
        }
        return stringWriter.toString()
    }

    String getCurrentVersion() {

        where:
        ruleElem << [new BinaryBreakingChangesRule([:]), new SinceAnnotationMissingRule([:]), new IncubatingMissingRule([:])]
        error << ['Is not binary compatible.', 'Is not annotated with @since', 'Is not annotated with @Incubating']
    }

    def "the @since annotation on inner classes is recognised"() {
        given:
        def rule = withContext(new SinceAnnotationMissingRule([:]))