import { Direction, IBoundaryNodes } from '../interfaces';
import { LGraphNode } from '../LGraphNode';
/**
 * Finds the nodes that are farthest in all four directions, representing the boundary of the nodes.
 * @param nodes The nodes to check the edges of
 * @returns An object listing the furthest node (edge) in all four directions.
 * `null` if no nodes were supplied or the first node was falsy.
 */
export declare function getBoundaryNodes(nodes: LGraphNode[]): IBoundaryNodes | null;
/**
 * Distributes nodes evenly along a horizontal or vertical plane.
 * @param nodes The nodes to distribute
 * @param horizontal If true, distributes along the horizontal plane.  Otherwise, the vertical plane.
 */
export declare function distributeNodes(nodes: LGraphNode[], horizontal?: boolean): void;
/**
 * Aligns all nodes along the edge of a node.
 * @param nodes The nodes to align
 * @param direction The edge to align nodes on
 * @param align_to The node to align all other nodes to.  If undefined, the farthest node will be used.
 */
export declare function alignNodes(nodes: LGraphNode[], direction: Direction, align_to?: LGraphNode): void;