/**
 * PatternGroup -- a collection of one or more RoutePatterns associated with
 * a PathSegment
 */
export default class PatternGroup {
    patterns: any[];
    fromIndexLookup: {};
    toIndexLookup: {};
    addPattern(pattern: any, fromIndex: any, toIndex: any): void;
    getFromIndex(pattern: any): any;
    getToIndex(pattern: any): any;
}