private void configureInjectableValues(final List<JacksonObjectMapperCustomizer> allCustomizers, final ObjectMapper objectMapper) {
        val injectedValues = (Map) allCustomizers
            .stream()
            .filter(BeanSupplier::isNotProxy)
            .map(JacksonObjectMapperCustomizer::getInjectableValues)
            .flatMap(entry -> entry.entrySet().stream())
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
        injectedValues.putAll(this.injectableValues);
        objectMapper.setInjectableValues(new JacksonInjectableValueSupplier(() -> injectedValues));
    }
Produce an object mapper for YAML serialization/de-serialization.

@return the object mapper
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/serialization/JacksonObjectMapperFactory.java