import { VisibilityGraph } from './visibility/VisibilityGraph';
import { VisibilityVertex } from './visibility/VisibilityVertex';
export declare class SingleSourceMultipleTargetsShortestPathOnVisibilityGraph {
    private source;
    private targets;
    private current;
    private closestTarget;
    private upperBound;
    private _visGraph;
    constructor(sourceVisVertex: VisibilityVertex, targetVisVertices: Array<VisibilityVertex>, visibilityGraph: VisibilityGraph);
    GetPath(): Array<VisibilityVertex>;
    private PassableOutEdge;
    private PassableInEdge;
    private static IsForbidden;
    private ProcessNeighbor;
    private CalculatePath;
}