export interface GraphInputNode {
    id?: number | string;
    x?: number;
    y?: number;
}
export interface GraphInputLink {
    id?: number | string;
    source: number | string | GraphInputNode;
    target: number | string | GraphInputNode;
}
export type GraphInputData<N extends GraphInputNode = GraphInputNode, L extends GraphInputLink = GraphInputLink> = {
    nodes: N[];
    links?: L[];
};
export type GraphNodeCore<N extends GraphInputNode, L extends GraphInputLink> = N & {
    links: GraphLinkCore<N, L>[];
    /** Unique id */
    _id: string;
    /** Index as in the original data array */
    _index: number;
    /** True when the node has links */
    _isConnected: boolean;
    /** Internal state for node rendering */
    _state: Record<string, any>;
};
export type GraphLinkCore<N extends GraphInputNode, L extends GraphInputLink> = L & {
    source: GraphNodeCore<N, L>;
    target: GraphNodeCore<N, L>;
    /** Unique id */
    _id: string;
    /** Index as in the original data array */
    _indexGlobal: number;
    /**  Local index, when there are multiple links between two nodes */
    _index: number;
    /** The number of neighbour links */
    _neighbours: number;
    /** Link direction */
    _direction: -1 | 1;
    /** Internal state for link rendering */
    _state: Record<string, any>;
};