src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts/UserDataSyncWorkbenchContribution/onSynchronizerErrors
class UserDataSyncWorkbenchContribution:	private onSynchronizerErrors(errors: [SyncResource, UserDataSyncError][]): void {
		if (errors.length) {
			for (const [source, error] of errors) {
				switch (error.code) {
					case UserDataSyncErrorCode.LocalInvalidContent:
						this.handleInvalidContentError(source);
						break;
					default: {
						const disposable = this.invalidContentErrorDisposables.get(source);
						if (disposable) {
							disposable.dispose();
							this.invalidContentErrorDisposables.delete(source);
						}
					}
				}
			}
		} else {
			this.invalidContentErrorDisposables.forEach(disposable => disposable.dispose());
			this.invalidContentErrorDisposables.clear();
		}
	}