in src/main/java/com/spotify/github/v3/clients/GitHubClient.java [849:862]
private String getInstallationToken(final String jwtToken, final int installationId)
throws Exception {
AccessToken installationToken = installationTokens.get(installationId);
if (installationToken == null || isExpired(installationToken)) {
log.info(
"Github token for installation {} is either expired or null. Trying to get a new one.",
installationId);
installationToken = generateInstallationToken(jwtToken, installationId);
installationTokens.put(installationId, installationToken);
}
return installationToken.token();
}