src/vs/workbench/contrib/debug/browser/debugService.ts/DebugService/lazySetup
class DebugService:	private lazySetup() {
		if (!this.haveDoneLazySetup) {
			// Registering fs providers is slow
			// https://github.com/microsoft/vscode/issues/159886
			this.disposables.add(this.fileService.registerProvider(DEBUG_MEMORY_SCHEME, new DebugMemoryFileSystemProvider(this)));
			this.haveDoneLazySetup = true;
		}
	}