import type { HighlightItemIdentifier, HighlightItemIdentifierWithType } from "../../../../models/seriesType/index.js";
import type { ComposableChartSeriesType } from "../../../../models/seriesType/composition.js";
import type { ChartSeriesType, HighlightScope } from "../../../../models/seriesType/config.js";
/**
 * The isFade logic for main charts (those that are identified by an id and a dataIndex)
 */
export declare function createIsFaded<SeriesType extends Exclude<ChartSeriesType, 'sankey' | 'heatmap'>>(highlightScope: HighlightScope<SeriesType> | null | undefined, highlightedItem: HighlightItemIdentifier<SeriesType> | null): <TestedSeriesType extends ComposableChartSeriesType<SeriesType>>(item: HighlightItemIdentifierWithType<TestedSeriesType> | null) => boolean;