How to use

de.keyle.knbt.TagString

constructor

@Override
public TagCompound save() {
  TagCompound nbtTagCompound = new TagCompound();
  nbtTagCompound.getCompoundData().put("Buffs", new TagIntArray(selectedBuffs.stream().mapToInt(Buff::getId).toArray()));
  nbtTagCompound.getCompoundData().put("Active", new TagByte(this.active));
  nbtTagCompound.getCompoundData().put("Reciever", new TagString(this.receiver.name()));
  return nbtTagCompound;
}

@SuppressWarnings("unchecked")
public void applyTo(TagCompound tag) {
  if (hasOwner()) {
    TagCompound ownerTag = new TagCompound();
    ownerTag.put("Name", new TagString(getOwner()));
    if (hasTexture()) {
      TagCompound propertiesTag = new TagCompound();
      TagList textureList = new TagList();
      TagCompound textureTag = new TagCompound();
      JSONObject jsonObject = new JSONObject();
      JSONObject texturesObject = new JSONObject();
      JSONObject skinObject = new JSONObject();
      jsonObject.put("textures", texturesObject);
      texturesObject.put("SKIN", skinObject);
      skinObject.put("url", getTexture());
      String base64 = BaseEncoding.base64Url().encode(jsonObject.toJSONString().getBytes());
      textureTag.put("Value", new TagString(base64));
      textureList.addTag(textureTag);
      propertiesTag.put("textures", textureList);
      ownerTag.put("Properties", propertiesTag);
    }
    tag.put("SkullOwner", ownerTag);
  }
}

  return new TagByteArray(((NBTTagByteArray) vanillaTag).c());
case 8:
  return new TagString(((NBTTagString) vanillaTag).a_());
case 9:
  NBTTagList tagList = (NBTTagList) vanillaTag;