import { ClientGraphVertex, ClientGraphEdge } from './type';
export declare function findEdgeFromVertexToVertex(fromVertex: ClientGraphVertex, toVertex: ClientGraphVertex): {
    edge: ClientGraphEdge<any, any>;
    forward: boolean;
} | undefined;
export declare function getSegment(edge: ClientGraphEdge, at: number): {
    segmentIndex: number;
    positionAtSegment: number;
    coords: number[];
};
export declare function getAtFromSegment(edge: ClientGraphEdge, positionAtSegment: number, segmentIndex: number): number;