docs: function showPartsSplash(configuration) {
  	perf.mark('willShowPartsSplash');
  
  	let data;
  	if (typeof configuration.partsSplashPath === 'string') {
  		try {
  			data = JSON.parse(require('fs').readFileSync(configuration.partsSplashPath, 'utf8'));
  		} catch (e) {
  			// ignore
  		}
  	}
  
  	// high contrast mode has been turned on from the outside, e.g OS -> ignore stored colors and layouts
  	if (data && configuration.highContrast && data.baseTheme !== 'hc-black') {
  		data = undefined;
  	}
  
  	// developing an extension -> ignore stored layouts
  	if (data && configuration.extensionDevelopmentPath) {
  		data.layoutInfo = undefined;
  	}
  
  	// minimal color configuration (works with or without persisted data)
  	const baseTheme = data ? data.baseTheme : configuration.highContrast ? 'hc-black' : 'vs-dark';
  	const shellBackground = data ? data.colorInfo.editorBackground : configuration.highContrast ? '#000000' : '#1E1E1E';
  	const shellForeground = data ? data.colorInfo.foreground : configuration.highContrast ? '#FFFFFF' : '#CCCCCC';
  	const style = document.createElement('style');
  	style.className = 'initialShellColors';
  	document.head.appendChild(style);
  	document.body.className = `monaco-shell ${baseTheme}`;
  	style.innerHTML = `.monaco-shell { background-color: ${shellBackground}; color: ${shellForeground}; }`;
  
  	if (data && data.layoutInfo) {
  		// restore parts if possible (we might not always store layout info)
  		const { id, layoutInfo, colorInfo } = data;
  		const splash = document.createElement('div');
  		splash.id = id;
  
  		// ensure there is enough space
  		layoutInfo.sideBarWidth = Math.min(layoutInfo.sideBarWidth, window.innerWidth - (layoutInfo.activityBarWidth + layoutInfo.editorPartMinWidth));
  
  		if (configuration.folderUri || configuration.workspace) {
  			// folder or workspace -> status bar color, sidebar
  			splash.innerHTML = `
  			<div style="position: absolute; width: 100%; left: 0; top: 0; height: ${layoutInfo.titleBarHeight}px; background-color: ${colorInfo.titleBarBackground}; -webkit-app-region: drag;"></div>
  			<div style="position: absolute; height: calc(100% - ${layoutInfo.titleBarHeight}px); top: ${layoutInfo.titleBarHeight}px; ${layoutInfo.sideBarSide}: 0; width: ${layoutInfo.activityBarWidth}px; background-color: ${colorInfo.activityBarBackground};"></div>
  			<div style="position: absolute; height: calc(100% - ${layoutInfo.titleBarHeight}px); top: ${layoutInfo.titleBarHeight}px; ${layoutInfo.sideBarSide}: ${layoutInfo.activityBarWidth}px; width: ${layoutInfo.sideBarWidth}px; background-color: ${colorInfo.sideBarBackground};"></div>
  			<div style="position: absolute; width: 100%; bottom: 0; left: 0; height: ${layoutInfo.statusBarHeight}px; background-color: ${colorInfo.statusBarBackground};"></div>
  			`;
  		} else {
  			// empty -> speical status bar color, no sidebar
  			splash.innerHTML = `
  			<div style="position: absolute; width: 100%; left: 0; top: 0; height: ${layoutInfo.titleBarHeight}px; background-color: ${colorInfo.titleBarBackground}; -webkit-app-region: drag;"></div>
  			<div style="position: absolute; height: calc(100% - ${layoutInfo.titleBarHeight}px); top: ${layoutInfo.titleBarHeight}px; ${layoutInfo.sideBarSide}: 0; width: ${layoutInfo.activityBarWidth}px; background-color: ${colorInfo.activityBarBackground};"></div>
  			<div style="position: absolute; width: 100%; bottom: 0; left: 0; height: ${layoutInfo.statusBarHeight}px; background-color: ${colorInfo.statusBarNoFolderBackground};"></div>
  			`;
  		}
  		document.body.appendChild(splash);
  	}
  
  	perf.mark('didShowPartsSplash');
  }