private static boolean inImageRuntimeCode() {
        return PROPERTY_IMAGE_CODE_VALUE_RUNTIME.equals(System.getProperty(PROPERTY_IMAGE_CODE_KEY));
    }
Returns true if (at the time of the call) code is executing at image runtime. This method
will be const-folded. It can be used to hide parts of an application that only work when
running as native image.

@since 19.0
api/cas-server-core-api-util/src/main/java/org/apereo/cas/util/nativex/CasRuntimeHintsRegistrar.java