code: public List<PublicContractsResponse> getContractsPublicRegionId(Integer regionId, String datasource,
              String ifNoneMatch, Integer page) throws ApiException {
          ApiResponse<List<PublicContractsResponse>> resp = getContractsPublicRegionIdWithHttpInfo(regionId, datasource,
                  ifNoneMatch, page);
          return resp.getData();
      }
docs: Get public contracts Returns a paginated list of all public contracts in
  the given region --- This route is cached for up to 1800 seconds
  
  @param regionId
  An EVE region id (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 List&lt;PublicContractsResponse&gt;
  @throws ApiException
  If fail to call the API, e.g. server error or cannot
  deserialize the response body