src/vs/workbench/contrib/search/browser/searchView.ts/SearchView/createFileIterator
class SearchView:	private createFileIterator(fileMatch: FileMatch): Iterable<ICompressedTreeElement<RenderableMatch>> {
		const matches = fileMatch.matches().sort(searchMatchComparer);
		return Iterable.map(matches, r => (<ICompressedTreeElement<RenderableMatch>>{ element: r, incompressible: true }));
	}