private void addConfigDefinition(File def) {
        try {
            ConfigDefinitionKey key = ConfigUtils.createConfigDefinitionKeyFromDefFile(def);
            addConfigDefinition(key, def);
        } catch (IOException e) {
            log.log(Level.WARNING, "Exception adding config definition " + def, e);
        }
    }
A global pool of all config definitions that this server knows about. These objects can be shared
by all tenants, as they are not modified.

@author Ulf Lilleengen
config-application-package/src/main/java/com/yahoo/config/model/application/provider/StaticConfigDefinitionRepo.java