docs: public ApiResponse<CharacterPortraitResponse> getCharactersCharacterIdPortraitWithHttpInfo(Integer characterId,
              String datasource, String ifNoneMatch) throws ApiException {
          com.squareup.okhttp.Call call = getCharactersCharacterIdPortraitValidateBeforeCall(characterId, datasource,
                  ifNoneMatch, null);
          Type localVarReturnType = new TypeToken<CharacterPortraitResponse>() {
          }.getType();
          return apiClient.execute(call, localVarReturnType);
      }