/**
 * BumpChart - classements dans le temps (lignes qui montent/descendent).
 * API canonique (référence Svelte, React/Vue doivent s'aligner)
 *
 * Props obligatoires :
 *   data        BumpChartSeries[]  - tableau {label, ranks: number[], tone?}
 *   categories  string[]           - libellés des périodes (axe X)
 *   label       string             - aria-label
 *
 * Props optionnelles :
 *   width   number  (défaut 480)
 *   height  number  (défaut 300)
 *   class   string
 *
 * Convention : rank 1 = meilleur (affiché en haut).
 * Rang invalide (non-entier, <1, null, undefined, NaN) → GAP (ni point ni segment).
 */
export type BumpChartTone = "category1" | "category2" | "category3" | "category4" | "category5" | "category6" | "category7" | "category8";
export type BumpChartSeries = {
    label: string;
    ranks: (number | null | undefined)[];
    tone?: BumpChartTone;
};
type BumpChartProps = {
    data: BumpChartSeries[];
    categories: string[];
    label: string;
    width?: number;
    height?: number;
    class?: string;
};
declare const BumpChart: import("svelte").Component<BumpChartProps, {}, "">;
type BumpChart = ReturnType<typeof BumpChart>;
export default BumpChart;
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