public static @NotNull Map<@NotNull String, @NotNull String> getProperties() {
    LinkedHashMap<String, String> properties = new LinkedHashMap<>();
    for (String name : PROPERTY_NAMES) {
      String property = System.getProperty(name);
      if (property != null) {
        properties.put(name, property);
      }
    }
    return properties;
  }
public static @NotNull Map<@NotNull String, @NotNull String> getProperties()