import { BaseObjectInfo } from '../Interface';
type BaseId = BaseObjectInfo['id'];
interface MinHeapNode {
    nodeIndex: BaseId;
    distance: number;
    depth: number;
    parent: null | BaseId;
    children: BaseId[];
}
declare class MinHeap {
    min: BaseId | null;
    roots: BaseId[];
    nodes: Map<BaseId, MinHeapNode>;
    constructor();
    shift(): string | null;
    consolidate(): void;
    add(nodeIndex: BaseId, distance: number): void;
    update(nodeIndex: BaseId, distance: number): void;
    remove(nodeIndex: BaseId): void;
    getDistance(nodeIndex: BaseId): number;
}
export { MinHeapNode, MinHeap, };