Refresh the OAuth2 access token by getting a new access token using a JSON Web Token (JWT).
For GDCH credentials, this class creates a self-signed JWT, and sends to the GDCH
authentication endpoint (tokenServerUri) to exchange an access token for the intended api
audience (apiAudience).
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025年10月30日 UTC."],[],[]]