code: public ApiResponse<List<Integer>> getMarketsRegionIdTypesWithHttpInfo(Integer regionId, String datasource,
              String ifNoneMatch, Integer page) throws ApiException {
          com.squareup.okhttp.Call call = getMarketsRegionIdTypesValidateBeforeCall(regionId, datasource, ifNoneMatch,
                  page, null);
          Type localVarReturnType = new TypeToken<List<Integer>>() {
          }.getType();
          return apiClient.execute(call, localVarReturnType);
      }
docs: List type IDs relevant to a market Return a list of type IDs that have
  active orders in the region, for efficient market indexing. --- This
  route is cached for up to 600 seconds
  
  @param regionId
  Return statistics in this region (required)
  @param datasource
  The server name you would like data from (optional, default to
  tranquility)
  @param ifNoneMatch
  ETag from a previous request. A 304 will be returned if this
  matches the current ETag (optional)
  @param page
  Which page of results to return (optional, default to 1)
  @return ApiResponse&lt;List&lt;Integer&gt;&gt;
  @throws ApiException
  If fail to call the API, e.g. server error or cannot
  deserialize the response body