@Override
  public synchronized VirtualFile findFileByPath(@NotNull @NonNls String path) {
    if (path.equals(SYSTEM_PROPERTIES_FILE)) {
      return getSystemPropertiesFile();
    }

    if (path.equals(ENV_PROPERTIES_FILE)) {
      return getEnvPropertiesFile();
    }

    return null;
  }
@Override
  public synchronized VirtualFile findFileByPath(@NotNull @NonNls String path)