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import { Connection, InternalNodeBase, Transform, EdgeBase } from '../..';
export declare function getEdgeCenter({ sourceX, sourceY, targetX, targetY, }: {
sourceX: number;
sourceY: number;
targetX: number;
targetY: number;
}): [number, number, number, number];
export type GetEdgeZIndexParams = {
sourceNode: InternalNodeBase;
targetNode: InternalNodeBase;
selected?: boolean;
zIndex?: number;
elevateOnSelect?: boolean;
};
export declare function getElevatedEdgeZIndex({ sourceNode, targetNode, selected, zIndex, elevateOnSelect, }: GetEdgeZIndexParams): number;
type IsEdgeVisibleParams = {
sourceNode: InternalNodeBase;
targetNode: InternalNodeBase;
width: number;
height: number;
transform: Transform;
};
export declare function isEdgeVisible({ sourceNode, targetNode, width, height, transform }: IsEdgeVisibleParams): boolean;
/**
* This util is a convenience function to add a new Edge to an array of edges
* @remarks It also performs some validation to make sure you don't add an invalid edge or duplicate an existing one.
* @public
* @param edgeParams - Either an Edge or a Connection you want to add
* @param edges - The array of all current edges
* @returns A new array of edges with the new edge added
*/
export declare const addEdge: <EdgeType extends EdgeBase>(edgeParams: EdgeType | Connection, edges: EdgeType[]) => EdgeType[];
export type ReconnectEdgeOptions = {
shouldReplaceId?: boolean;
};
/**
* A handy utility to reconnect an existing edge with new properties
* @param oldEdge - The edge you want to update
* @param newConnection - The new connection you want to update the edge with
* @param edges - The array of all current edges
* @param options.shouldReplaceId - should the id of the old edge be replaced with the new connection id
* @returns the updated edges array
*/
export declare const reconnectEdge: <EdgeType extends EdgeBase>(oldEdge: EdgeType, newConnection: Connection, edges: EdgeType[], options?: ReconnectEdgeOptions) => EdgeType[];
export {};
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