src/vs/workbench/contrib/search/common/searchModel.ts/SearchResult/getFolderMatch
class SearchResult:	private getFolderMatch(resource: URI): FolderMatchWorkspaceRoot | FolderMatch {
		const folderMatch = this._folderMatchesMap.findSubstr(resource);
		return folderMatch ? folderMatch : this._otherFilesMatch!;
	}