Method getEnumConstants

corpus/java/training/guava/base/Enums.java:95–105

(
      Class<T> enumClass)

  }

  @GwtIncompatible // java.lang.ref.WeakReference
  static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> getEnumConstants(
      Class<T> enumClass) {
    synchronized (enumConstantCache) {
      Map<String, WeakReference<? extends Enum<?>>> constants = enumConstantCache.get(enumClass);
      if (constants == null) {
        constants = populateCache(enumClass);
      }
      return constants;
    }
  }

  /**
   * Returns a converter that converts between strings and {@code enum} values of type