export declare class GraphNode<T> {
    val: T;
    constructor(val: T);
}
declare type EdgeList<T> = Map<GraphNode<T>, number>;
export declare type WeightedGraph<T> = Map<GraphNode<T>, EdgeList<T>>;
export declare type ShortestDistances<T> = Map<GraphNode<T>, number>;
export declare type PrevVertices<T> = Map<GraphNode<T>, GraphNode<T> | null>;
export {};
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