import type { Rect, Viewport } from '@xyflow/system';
import type { Node, Edge, ViewportHelperFunctions, InternalNode } from '.';
export type ReactFlowJsonObject<NodeType extends Node = Node, EdgeType extends Edge = Edge> = {
    nodes: NodeType[];
    edges: EdgeType[];
    viewport: Viewport;
};
export type DeleteElementsOptions = {
    nodes?: (Node | {
        id: Node['id'];
    })[];
    edges?: (Edge | {
        id: Edge['id'];
    })[];
};
export declare namespace Instance {
    type GetNodes<NodeType extends Node = Node> = () => NodeType[];
    type SetNodes<NodeType extends Node = Node> = (payload: NodeType[] | ((nodes: NodeType[]) => NodeType[])) => void;
    type AddNodes<NodeType extends Node = Node> = (payload: NodeType[] | NodeType) => void;
    type GetNode<NodeType extends Node = Node> = (id: string) => NodeType | undefined;
    type GetInternalNode<NodeType extends Node = Node> = (id: string) => InternalNode<NodeType> | undefined;
    type GetEdges<EdgeType extends Edge = Edge> = () => EdgeType[];
    type SetEdges<EdgeType extends Edge = Edge> = (payload: EdgeType[] | ((edges: EdgeType[]) => EdgeType[])) => void;
    type GetEdge<EdgeType extends Edge = Edge> = (id: string) => EdgeType | undefined;
    type AddEdges<EdgeType extends Edge = Edge> = (payload: EdgeType[] | EdgeType) => void;
    type ToObject<NodeType extends Node = Node, EdgeType extends Edge = Edge> = () => ReactFlowJsonObject<NodeType, EdgeType>;
    type DeleteElements = (params: DeleteElementsOptions) => Promise<{
        deletedNodes: Node[];
        deletedEdges: Edge[];
    }>;
    type GetIntersectingNodes<NodeType extends Node = Node> = (node: NodeType | {
        id: Node['id'];
    } | Rect, partially?: boolean, nodes?: NodeType[]) => NodeType[];
    type IsNodeIntersecting<NodeType extends Node = Node> = (node: NodeType | {
        id: Node['id'];
    } | Rect, area: Rect, partially?: boolean) => boolean;
    type UpdateNode<NodeType extends Node = Node> = (id: string, nodeUpdate: Partial<NodeType> | ((node: NodeType) => Partial<NodeType>), options?: {
        replace: boolean;
    }) => void;
    type UpdateNodeData<NodeType extends Node = Node> = (id: string, dataUpdate: object | ((node: NodeType) => object), options?: {
        replace: boolean;
    }) => void;
}
export type ReactFlowInstance<NodeType extends Node = Node, EdgeType extends Edge = Edge> = {
    /**
     * Returns nodes.
     *
     * @returns nodes array
     */
    getNodes: Instance.GetNodes<NodeType>;
    /**
     * Sets nodes.
     *
     * @param payload - the nodes to set or a function that receives the current nodes and returns the new nodes
     */
    setNodes: Instance.SetNodes<NodeType>;
    /**
     * Adds nodes.
     *
     * @param payload - the nodes to add
     */
    addNodes: Instance.AddNodes<NodeType>;
    /**
     * Returns a node by id.
     *
     * @param id - the node id
     * @returns the node or undefined if no node was found
     */
    getNode: Instance.GetNode<NodeType>;
    /**
     * Returns an internal node by id.
     *
     * @param id - the node id
     * @returns the internal node or undefined if no node was found
     */
    getInternalNode: Instance.GetInternalNode<NodeType>;
    /**
     * Returns edges.
     *
     * @returns edges array
     */
    getEdges: Instance.GetEdges<EdgeType>;
    /**
     * Sets edges.
     *
     * @param payload - the edges to set or a function that receives the current edges and returns the new edges
     */
    setEdges: Instance.SetEdges<EdgeType>;
    /**
     * Adds edges.
     *
     * @param payload - the edges to add
     */
    addEdges: Instance.AddEdges<EdgeType>;
    /**
     * Returns an edge by id.
     *
     * @param id - the edge id
     * @returns the edge or undefined if no edge was found
     */
    getEdge: Instance.GetEdge<EdgeType>;
    /**
     * Returns the nodes, edges and the viewport as a JSON object.
     *
     * @returns the nodes, edges and the viewport as a JSON object
     */
    toObject: Instance.ToObject<NodeType, EdgeType>;
    /**
     * Deletes nodes and edges.
     *
     * @param params.nodes - optional nodes array to delete
     * @param params.edges - optional edges array to delete
     *
     * @returns a promise that resolves with the deleted nodes and edges
     */
    deleteElements: Instance.DeleteElements;
    /**
     * Returns all nodes that intersect with the given node or rect.
     *
     * @param node - the node or rect to check for intersections
     * @param partially - if true, the node is considered to be intersecting if it partially overlaps with the passed node or rect
     * @param nodes - optional nodes array to check for intersections
     *
     * @returns an array of intersecting nodes
     */
    getIntersectingNodes: Instance.GetIntersectingNodes<NodeType>;
    /**
     * Checks if the given node or rect intersects with the passed rect.
     *
     * @param node - the node or rect to check for intersections
     * @param area - the rect to check for intersections
     * @param partially - if true, the node is considered to be intersecting if it partially overlaps with the passed react
     *
     * @returns true if the node or rect intersects with the given area
     */
    isNodeIntersecting: Instance.IsNodeIntersecting<NodeType>;
    /**
     * Updates a node.
     *
     * @param id - id of the node to update
     * @param nodeUpdate - the node update as an object or a function that receives the current node and returns the node update
     * @param options.replace - if true, the node is replaced with the node update, otherwise the changes get merged
     *
     * @example
     * updateNode('node-1', (node) => ({ position: { x: node.position.x + 10, y: node.position.y } }));
     */
    updateNode: Instance.UpdateNode<NodeType>;
    /**
     * Updates the data attribute of a node.
     *
     * @param id - id of the node to update
     * @param dataUpdate - the data update as an object or a function that receives the current data and returns the data update
     * @param options.replace - if true, the data is replaced with the data update, otherwise the changes get merged
     *
     * @example
     * updateNodeData('node-1', { label: 'A new label' });
     */
    updateNodeData: Instance.UpdateNodeData<NodeType>;
    viewportInitialized: () => boolean;
} & Omit<ViewportHelperFunctions, 'initialized'>;
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