import type { ChartDatapoint } from '../../core/types/chart-data.js';
import type { SeriesActionsTemplate } from '../../core/types/series-actions-template.js';
/**
 * Horizontal alignment of nodes within their columns.
 * @internal
 */
export type SankeyNodeAlignment = 'left' | 'right' | 'justify';
/**
 * Data provided to the `seriesActions` callback for a node.
 * @public
 */
export interface SankeyNodeSeriesActionsPayload {
    type: 'node';
    /**
     * The node's unique identifier.
     */
    id: string;
    /**
     * The node's display label.
     */
    label: string;
    /**
     * The sum of all incoming link values. `0` for a node with no inflow.
     */
    totalInflow: number;
    /**
     * The sum of all outgoing link values. `0` for a node with no outflow.
     */
    totalOutflow: number;
    /**
     * The consumer's datapoint for this node, carrying every field of the row
     * supplied via the `nodes` prop. A node inferred from the link topology has
     * no such row, so only the generated `id` and `label` are present.
     */
    data: ChartDatapoint | undefined;
}
/**
 * Data provided to the `seriesActions` callback for a link.
 * @public
 */
export interface SankeyLinkSeriesActionsPayload {
    type: 'link';
    /**
     * The id of the link's source node.
     */
    sourceId: string;
    /**
     * The label of the link's source node.
     */
    sourceLabel: string;
    /**
     * The id of the link's target node.
     */
    targetId: string;
    /**
     * The label of the link's target node.
     */
    targetLabel: string;
    /**
     * The raw link value.
     */
    value: number;
    /**
     * The consumer's datapoint for this link, carrying every field of the
     * corresponding row of the `data` prop.
     */
    data: ChartDatapoint;
}
/**
 * Discriminated union of the payloads passed to the `seriesActions` callback.
 * Switch on `type` to narrow to the node or link variant.
 * @public
 */
export type SankeySeriesActionsPayload = SankeyNodeSeriesActionsPayload | SankeyLinkSeriesActionsPayload;
/**
 * Builds the actions offered for the node or link the tooltip is pinned to.
 * @public
 */
export type SankeySeriesActions = (payload: SankeySeriesActionsPayload) => SeriesActionsTemplate;
export type { SankeyChartTooltipProps, SankeyLinkTooltipPayload, SankeyNeighborEntry, SankeyNodeTooltipPayload, SankeyTooltipPayload, } from './sankey-internal.js';
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