import type { Callback, CallbackParam, DynamicContext, IsAny, Point } from 'ag-charts-core';
import type { AgChartLabelStyleOptions, HighlightState, PixelSize, TextOrSegments } from 'ag-charts-types';
import type { HighlightNodeDatum } from '../core/eventsHub';
import type { ChartRegistry } from '../module/moduleContext';
import type { Text } from '../scene/shape/text';
import type { Label } from './label';
import type { DatumIndexType, SeriesNodeDatum } from './series/seriesTypes';
interface SeriesLike<TDatumIndex extends DatumIndexType> {
    id: string;
    ctx: DynamicContext<ChartRegistry>;
    declarationOrder: number;
    get visible(): boolean;
    cachedCallWithContext<F extends Callback>(fn: F, params: CallbackParam<F>): ReturnType<F> | undefined;
    isSeriesHighlighted(highlightedDatum: HighlightNodeDatum | undefined): boolean;
    getHighlightStateString(datum: HighlightNodeDatum | undefined, isHighlight?: boolean, datumIndex?: TDatumIndex): HighlightState;
}
type Bounds = {
    x: number;
    y: number;
    width: number;
    height: number;
};
export type BarLabelPlacement = 'inside-center' | 'inside-start' | 'inside-end' | 'outside-start' | 'outside-end';
type LabelDatum = Point & {
    text: TextOrSegments;
    textAlign: CanvasTextAlign;
    textBaseline: CanvasTextBaseline;
};
export declare function getLabelStyles<TParams, TDatumIndex extends DatumIndexType = DatumIndexType>(series: SeriesLike<TDatumIndex>, nodeDatum: SeriesNodeDatum<TDatumIndex> | undefined, params: TParams, label: Label<TParams>, isHighlight: boolean, activeHighlight: HighlightNodeDatum<TDatumIndex> | undefined, labelPath?: string[]): AgChartLabelStyleOptions & {
    fontSize: number;
};
export declare function updateLabelNode<TParams, D extends LabelDatum>(series: IsAny<D> extends false ? SeriesLike<DatumIndexType> : never, textNode: IsAny<D> extends false ? Text : never, params: IsAny<D> extends false ? TParams : never, label: IsAny<D> extends false ? Label<TParams, unknown> : never, labelDatum: D | undefined, isHighlight: boolean, activeHighlight: HighlightNodeDatum<DatumIndexType> | undefined): void;
export declare function adjustLabelPlacement({ isUpward, isVertical, placement, spacing, rect, }: {
    placement: BarLabelPlacement;
    isUpward: boolean;
    isVertical: boolean;
    spacing?: PixelSize;
    rect: Bounds;
}): Omit<LabelDatum, 'text'>;
export {};