private static List<String> embeddedDependents(final String keyPrefix, final List<String> dependents) {
        if (dependents == null) return null;
        final List<String> updatedDependents = new ArrayList<>(dependents.size());
        for (String dependent : dependents) {
            updatedDependents.add(keyPrefix + dependent);
        }
        return updatedDependents;
    }
Updated list of dependent configs with the specified {@code prefix} added.
clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java