public void addNamePrefix(String prefix) {
            if (!name.isEmpty()) {
                name = prefix + "." + name;
            } else {
                name = prefix;
            }
        }
This class aggregates information about config changes that causes a restart to be required.

@author Magnar Nedland
config-lib/src/main/java/com/yahoo/config/ChangesRequiringRestart.java