src/vs/workbench/services/history/browser/history.ts/HistoryService/includeInHistory
class HistoryService:	private includeInHistory(input: IEditorInput | IResourceEditorInput): boolean {
		if (isEditorInput(input)) {
			return true; // include any non files
		}

		return !this.resourceExcludeMatcher.value.matches(input.resource);
	}