Function generateLongLivedToken

generateLongLivedToken(
    authEndpoint: string,
    serviceAccountToken: string,
    userAccessToken: string,
    validityDurationInSeconds?: number,
): Promise<TokenResult>
This function generates a long lived access token for a user token. It can be used to invoke long running processes.
Parameters
- authEndpoint: string
  URL for id-service authEndpoint.
- serviceAccountToken: string
  A valid service account token with permission GENERATE_LONG_LIVED_TOKEN granted.
- userAccessToken: string
  User access token to extend the validity period for.
- OptionalvalidityDurationInSeconds: number
  Token expiration time in seconds. If not given, it will be defaulted to 2592000 (30 days).
Returns Promise<TokenResult>
Long lived access token.