src/vs/workbench/services/authentication/browser/authenticationService.ts/AuthenticationService/removeSession
class AuthenticationService:	async removeSession(id: string, sessionId: string): Promise<void> {
		const authProvider = this._authenticationProviders.get(id);
		if (authProvider) {
			return authProvider.removeSession(sessionId);
		} else {
			throw new Error(`No authentication provider '${id}' is currently registered.`);
		}
	}