import { VisibilityEdge } from './VisibilityEdge';
import { VisibilityVertex } from './VisibilityVertex';
export declare class TollFreeVisibilityEdge extends VisibilityEdge {
    static constructorVV(source: VisibilityVertex, target: VisibilityVertex): TollFreeVisibilityEdge;
    constructor(source: VisibilityVertex, target: VisibilityVertex, weight?: number);
}