import { type ReactNode } from 'react';
import type { SankeyChartNodesProps } from '../types/sankey-props.js';
/** Slot configuration collected from the `SankeyChart` children. */
export interface SankeyChartSlots {
    nodes: SankeyChartNodesProps;
}
/**
 * Collects the `SankeyChart` slot configurations in a single pass over the
 * children.
 * @param children - the `SankeyChart` children
 * @returns the collected slot configuration
 */
export declare const iterateSlots: (children: ReactNode) => SankeyChartSlots;
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