public @Nullable SdkItem findSdkItem(@Nullable String sdkName) {
    if (sdkName == null) return null;
    for (SdkListItem item : myItems) {
      if (!(item instanceof SdkItem sdkItem)) continue;
      Sdk sdk = sdkItem.sdk;
      if (sdkName.equals(sdk.getName())) {
        return sdkItem;
      }
    }
    return null;
  }
public @Nullable SdkItem findSdkItem(@Nullable String sdkName)