Interface StrataGraph<N, E>

interface StrataGraph<N = NodeData, E = EdgeData> {
    addEdge(fromId: NodeId, toId: NodeId, data?: E): void;
    addNode(nodeId: NodeId, data?: N): void;
    forEachEdge(callback: (edge: GraphEdge<E>) => boolean | void): void;
    forEachNode(callback: (node: GraphNode<N>) => boolean | void): void;
    getEdgeCount(): number;
    getNode(nodeId: NodeId): GraphNode<N> | undefined;
    getNodeCount(): number;
    hasEdge(fromId: NodeId, toId: NodeId): boolean;
    hasNode(nodeId: NodeId): boolean;
    removeEdge(fromId: NodeId, toId: NodeId): void;
    removeNode(nodeId: NodeId): void;
}