src/vs/code/electron-sandbox/processExplorer/processExplorerMain.ts/startup
export function startup(configuration: ProcessExplorerWindowConfiguration): void {
	const platformClass = configuration.data.platform === 'win32' ? 'windows' : configuration.data.platform === 'linux' ? 'linux' : 'mac';
	document.body.classList.add(platformClass); // used by our fonts
	createCodiconStyleSheet();
	applyZoom(configuration.data.zoomLevel);

	new ProcessExplorer(configuration.windowId, configuration.data);
}