async function init() {
  await this.getConfiguration();
  this.configured = true;
  await this.getAccessToken();
  await this.getRefreshToken();
  const response = await this.refreshingTokens();
  if (response.success) {
    await this.pollRefreshingToken();
    await this.refreshNetatmoValues();
    await this.pollRefreshingValues();
  }
}
@description Initialize service with properties and connect to devices.
@example netatmo.init();