import type { TextOrSegments, TextValue } from '../series/cartesian/commonOptions';
import type { ContextDefault, DatumDefault } from './types';
type AgItemType = 'positive' | 'negative' | 'total' | 'subtotal' | 'up' | 'down' | 'low' | 'high';
export interface AgChartCallbackParams<TDatum = DatumDefault, TContext = ContextDefault> {
    /** The data point associated with the label. */
    datum: TDatum;
    /** The unique identifier of the item. */
    itemId?: string | number;
    /** The type of datum. */
    itemType?: AgItemType;
    /** The unique identifier of the series. */
    seriesId: string;
    /** Context for this callback. */
    context?: TContext;
}
export type HighlightState = 'highlighted-item' | 'unhighlighted-item' | 'highlighted-branch' | 'unhighlighted-branch' | 'highlighted-series' | 'unhighlighted-series' | 'none';
export type SelectionState = 'selected-item' | 'unselected-item' | 'unselected-series' | 'none';
/**
 * Highlight states for hierarchical series (e.g., treemap, sunburst) that support
 * differentiating between nodes that share a root branch vs. those that don't.
 */
export type HierarchyHighlightState = Exclude<HighlightState, 'highlighted-series' | 'unhighlighted-series'> | 'highlighted-branch' | 'unhighlighted-branch';
export interface DatumCallbackParams<TDatum, THighlightState extends string = HighlightState> {
    /** The data point associated with the label. */
    datum: TDatum;
    /** The unique identifier of the series. */
    seriesId: string;
    /** The specific highlight state of the element. */
    highlightState?: THighlightState;
    /** The specific selection state of the element. Undefined if the selection module is disabled. */
    selectionState?: SelectionState;
}
export interface SeriesCallbackParams<THighlightState extends string = HighlightState, TSelectionState extends string = SelectionState> {
    /** The unique identifier of the series. */
    seriesId: string;
    /** The specific highlight state of the element. */
    highlightState?: THighlightState;
    /** The specific selection state of the element. */
    selectionState?: TSelectionState;
}
export interface ContextCallbackParams<TContext> {
    /** Context for this callback. */
    context?: TContext;
}
export interface DatumItemCallbackParams<ItemType extends AgItemType, TDatum, THighlightState extends string = HighlightState> extends DatumCallbackParams<TDatum, THighlightState> {
    /** The typeunique identifier of the item. */
    itemType: ItemType;
}
export type Formatter<P> = (params: P) => TextValue | undefined;
export type RichFormatter<P> = (params: P) => TextOrSegments | undefined;
export type Styler<P, S> = (params: P) => S | undefined;
export type Renderer<P, R = never> = (params: P) => TextValue | R | undefined;
export type Listener<E> = (event: E) => void;
export {};