docs: public com.squareup.okhttp.Call postCharactersCharacterIdAssetsNamesAsync(Integer characterId,
              List<Long> requestBody, String datasource, String token,
              final ApiCallback<List<CharacterAssetsNamesResponse>> callback) throws ApiException {
  
          com.squareup.okhttp.Call call = postCharactersCharacterIdAssetsNamesValidateBeforeCall(characterId,
                  requestBody, datasource, token, callback);
          Type localVarReturnType = new TypeToken<List<CharacterAssetsNamesResponse>>() {
          }.getType();
          apiClient.executeAsync(call, localVarReturnType, callback);
          return call;
      }