import type { FlowElements } from '../types';
/**
 * Options for {@link autoLayout}.
 * @public
 */
export interface AutoLayoutOptions {
    /** Layout direction. Defaults to `'LR'` to match the editor's Left/Right handle defaults. */
    rankdir?: 'LR' | 'RL' | 'TB' | 'BT';
    /** Fallback node width when no measured size is supplied (the seed path has no DOM to measure). */
    nodeWidth?: number;
    /** Fallback node height when no measured size is supplied. */
    nodeHeight?: number;
    /** Measured per-node sizes (node id → box) — supplied by the on-demand "Auto-arrange" button. */
    dimensions?: Record<string, {
        width: number;
        height: number;
    }>;
}
/**
 * Compute node positions for a workflow graph with dagre's layered (Sugiyama) algorithm.
 *
 * Pure and synchronous: takes VueFlow elements (nodes + edges) and returns a new elements array with
 * each node's `position` replaced by a laid-out coordinate; edges and every other node field are
 * passed through untouched. Used two ways — as the seed for an un-arranged workflow (fixed default
 * dimensions, no DOM) and behind the toolbar button (measured `dimensions`).
 *
 * Self-loop edges (`source === target`) are skipped: dagre doesn't rank them, and they're reserved
 * for the separate mutate-in-place self-transition feature.
 * @public
 */
export declare function autoLayout(elements: FlowElements, options?: AutoLayoutOptions): FlowElements;
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