export declare const EDGE_ID_CONNECT_SYMBOL = "$$";
export declare const EDGE_HANDLE_CONNECT_SYMBOL = "@@";
export declare const generateEdgeId: (source: string, target: string, sourceHandle?: string | null, targetHandle?: string | null) => string;
export declare const getConnectionFromEdgeId: (id: string) => {
    source: string;
    target: string;
    sourceHandle: string;
    targetHandle: string;
};