class NameRegexNodeSpecifier implements NodeSpecifier {

  @Override
  public Set<String> resolve(SpecifierContext ctxt) {
    return ctxt.getConfigs().keySet().stream()
        .filter(n -> _namePattern.matcher(n).find())
        .collect(ImmutableSet.toImmutableSet());
  }

  public  NameRegexNodeSpecifier(Pattern namePattern);

}