How to use org.jboss.gravia.runtime.spi

private FilterImpl parse_not() {
  int lookahead = pos;
  skipWhiteSpace();
  if (filterChars[pos] != '(') {
    pos = lookahead - 1;
    return parse_item();
  }
  FilterImpl child = parse_filter();
  return new FilterImpl(FilterImpl.NOT, null, child);
}

@Override
public URL getEntry(String path) {
  ModuleEntriesProvider entriesProvider = adapt(ModuleEntriesProvider.class);
  return entriesProvider != null ? entriesProvider.getEntry(path) : null;
}

@Override
public Object getProperty(String key, Object defaultValue) {
  String envVar =  SecurityActions.getEnv(toEnvVariable(environmentVariablePrefix, key), null);
  return envVar != null ? envVar : defaultValue;
}

public DefaultPropertiesProvider(Map<String, Object> properties, final boolean systemPropertyDelegation, final String environmentVariablePrefix) {
  IllegalArgumentAssertion.assertNotNull(properties, "props");
  properties.putAll(propsToMap(getDefaultProperties()));
  PropertiesProvider system = systemPropertyDelegation ? new SystemPropertiesProvider() : new MapPropertiesProvider();
  PropertiesProvider env =  environmentVariablePrefix != null ? new EnvPropertiesProvider(environmentVariablePrefix) : new EnvPropertiesProvider(system);
      this.delegate = new SubstitutionPropertiesProvider(
      new CompositePropertiesProvider(
          new MapPropertiesProvider(properties),
          system,
          env
      )
  );
}

@Override
public List<String> getEntryPaths(String path) {
  ModuleEntriesProvider entriesProvider = adapt(ModuleEntriesProvider.class);
  return entriesProvider != null ? entriesProvider.getEntryPaths(path) : Collections.<String>emptyList();
}

@Override
public List<URL> findEntries(String path, String filePattern, boolean recurse) {
  ModuleEntriesProvider entriesProvider = adapt(ModuleEntriesProvider.class);
  return entriesProvider != null ? entriesProvider.findEntries(path, filePattern, recurse) : Collections.<URL>emptyList();
}

@Override
public Object getProperty(String key, Object defaultValue) {
  Object result = null;
  for (PropertiesProvider delegate : delegates) {
    result = delegate.getProperty(key);
    if (result != null) {
      return result;
    }
  }
  return defaultValue;
}

@Override
public final Module installModule(ClassLoader classLoader, Dictionary<String, String> headers) throws ModuleException {
  assertNoShutdown();
  return installModule(classLoader, null, headers, null);
}

private boolean compare_Collection(int operation, Collection<?> collection, Object value2) {
  for (Object value1 : collection) {
    if (compare(operation, value1, value2)) {
      return true;
    }
  }
  return false;
}

  @Override
  public Object getProperty(String key, Object defaultValue) {
    String value = SecurityActions.getSystemProperty(key, null);
    return value != null ? value : defaultValue;
  }
}

  @Override
  public String toString() {
    return "Module[" + getIdentity() + "]";
  }
}

@Override
public Object getProperty(String key) {
  return getProperty(key, null);
}

@Override
public Object getProperty(String key) {
  return getProperty(key, null);
}

@Override
public Filter createFilter(String filter) {
  return FilterFactory.createFilter(filter);
}

@Override
protected ModuleEntriesProvider getDefaultEntriesProvider(Module module, Attachable context) {
  return new ClassLoaderEntriesProvider(module);
}

@Override
protected void uninstallModule(Module module) {
  super.uninstallModule(module);
}

@Override
public Object getProperty(String key) {
  return delegate.getProperty(key, null);
}

@Override
public final Module installModule(ClassLoader classLoader, Resource resource, Dictionary<String, String> headers) throws ModuleException {
  assertNoShutdown();
  return installModule(classLoader, resource, headers, null);
}

private boolean compare_ObjectArray(int operation, Object[] array, Object value2) {
  for (Object value1 : array) {
    if (compare(operation, value1, value2)) {
      return true;
    }
  }
  return false;
}

@Override
public Object getProperty(String key, Object defaultValue) {
  return delegate.getProperty(key, defaultValue);
}