@Nullable
  static String getMaxXmxStringValue(@Nullable String memoryValueA, @Nullable String memoryValueB) {
    MemoryProperty propertyA = MemoryProperty.valueOf(memoryValueA);
    MemoryProperty propertyB = MemoryProperty.valueOf(memoryValueB);
    if (propertyA != null && propertyB != null) {
      MemoryProperty maxMemoryProperty = propertyA.valueBytes > propertyB.valueBytes ? propertyA : propertyB;
      return MemoryProperty.of(MemoryProperty.MemoryPropertyType.XMX, maxMemoryProperty.valueBytes).toString(maxMemoryProperty.unit);
    }
    return Optional
      .ofNullable(propertyA).or(() -> Optional.ofNullable(propertyB))
      .map(property -> MemoryProperty.of(MemoryProperty.MemoryPropertyType.XMX, property.valueBytes).toString(property.unit))
      .orElse(null);
  }
@Nullable
  static String getMaxXmxStringValue(@Nullable String memoryValueA, @Nullable String memoryValueB)