code: public com.squareup.okhttp.Call getCharactersCharacterIdPlanetsPlanetIdAsync(Integer characterId, Integer planetId,
              String datasource, String ifNoneMatch, String token, final ApiCallback<CharacterPlanetResponse> callback)
              throws ApiException {
  
          com.squareup.okhttp.Call call = getCharactersCharacterIdPlanetsPlanetIdValidateBeforeCall(characterId,
                  planetId, datasource, ifNoneMatch, token, callback);
          Type localVarReturnType = new TypeToken<CharacterPlanetResponse>() {
          }.getType();
          apiClient.executeAsync(call, localVarReturnType, callback);
          return call;
      }
docs: Get colony layout (asynchronously) Returns full details on the layout of
  a single planetary colony, including links, pins and routes. Note:
  Planetary information is only recalculated when the colony is viewed
  through the client. Information will not update until this criteria is
  met. --- This route is cached for up to 600 seconds SSO Scope:
  esi-planets.manage_planets.v1
  
  @param characterId
  An EVE character ID (required)
  @param planetId
  Planet id of the target planet (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)
  @param callback
  The callback to be executed when the API call finishes
  @return The request call
  @throws ApiException
  If fail to process the API call, e.g. serializing the request
  body object