private GsonBuilder registerTypeHierarchyAdapter(
Class<?> baseType, Object typeAdapter, boolean isSystem) {
$Gson$Preconditions.checkArgument(
typeAdapter instanceof JsonSerializer<?>
|| typeAdapter instanceof JsonDeserializer<?>
|| typeAdapter instanceof InstanceCreator<?>);
if (typeAdapter instanceof InstanceCreator<?>) {
registerInstanceCreatorForTypeHierarchy(baseType, (InstanceCreator<?>) typeAdapter, isSystem);
}
if (typeAdapter instanceof JsonSerializer<?>) {
registerSerializerForTypeHierarchy(baseType, (JsonSerializer<?>) typeAdapter, isSystem);
}
if (typeAdapter instanceof JsonDeserializer<?>) {
registerDeserializerForTypeHierarchy(baseType, (JsonDeserializer<?>) typeAdapter, isSystem);
}
return this;
}
