src/vs/workbench/services/remote/common/remoteExplorerService.ts/TunnelModel/getStorageKey
class TunnelModel:	private async getStorageKey(): Promise<string> {
		const workspace = this.workspaceContextService.getWorkspace();
		const workspaceHash = workspace.configuration ? hash(workspace.configuration.path) : (workspace.folders.length > 0 ? hash(workspace.folders[0].uri.path) : undefined);
		return `${TUNNELS_TO_RESTORE}.${this.environmentService.remoteAuthority}.${workspaceHash}`;
	}