docs: public List<CharacterOpportunitiesResponse> getCharactersCharacterIdOpportunities(Integer characterId,
              String datasource, String ifNoneMatch, String token) throws ApiException {
          ApiResponse<List<CharacterOpportunitiesResponse>> resp = getCharactersCharacterIdOpportunitiesWithHttpInfo(
                  characterId, datasource, ifNoneMatch, token);
          return resp.getData();
      }