code: public StructureResponse getUniverseStructuresStructureId(Long structureId, String datasource, String ifNoneMatch,
              String token) throws ApiException {
          ApiResponse<StructureResponse> resp = getUniverseStructuresStructureIdWithHttpInfo(structureId, datasource,
                  ifNoneMatch, token);
          return resp.getData();
      }
docs: Get structure information Returns information on requested structure if
  you are on the ACL. Otherwise, returns \&quot;Forbidden\&quot; for all
  inputs. --- This route is cached for up to 3600 seconds
  
  @param structureId
  An Eve structure 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 token
  Access token to use if unable to set a header (optional)
  @return StructureResponse
  @throws ApiException
  If fail to call the API, e.g. server error or cannot
  deserialize the response body