import { _ModuleSupport } from 'ag-charts-community';
import { type AxisID, ChartAxisDirection, type DynamicContext, type NormalisedBaseRadiusAxisOptions, type Scale } from 'ag-charts-core';
export declare abstract class RadiusAxis<S extends Scale<D, number, _ModuleSupport.TickInterval<S>> = Scale<any, number, any>, D = unknown, TOptions extends NormalisedBaseRadiusAxisOptions = NormalisedBaseRadiusAxisOptions> extends _ModuleSupport.PolarAxis<S, D, TOptions> {
    protected gridLineGroupSelection: _ModuleSupport.Selection<_ModuleSupport.TickDatum, _ModuleSupport.Line<_ModuleSupport.TickDatum>>;
    private generatedTicks;
    protected readonly headingLabelGroup: _ModuleSupport.TransformableGroup<unknown>;
    protected readonly lineNodeGroup: _ModuleSupport.TransformableGroup<unknown>;
    protected readonly lineNode: _ModuleSupport.Line<unknown>;
    protected readonly gridPathGroup: _ModuleSupport.Group<unknown>;
    protected gridPathSelection: _ModuleSupport.Selection<unknown, _ModuleSupport.Path<unknown>>;
    get direction(): ChartAxisDirection;
    constructor(moduleCtx: DynamicContext<_ModuleSupport.ChartRegistry>, id: AxisID, scale: S, options: TOptions);
    private getAxisTransform;
    update(): void;
    updatePosition(): void;
    calculateRotations(): {
        rotation: number;
        parallelFlipRotation: number;
        regularFlipRotation: number;
    };
    calculateTickLayout(domain: D[], niceMode: [_ModuleSupport.NiceMode, _ModuleSupport.NiceMode], _visibleRange: [number, number]): {
        niceDomain: D[];
        tickDomain: D[];
        ticks: D[];
        rawTickCount: number | undefined;
        fractionDigits: number;
        timeInterval: undefined;
    };
    protected abstract prepareGridPathTickData(tickData: _ModuleSupport.TickDatum[]): _ModuleSupport.TickDatum[];
    protected abstract getTickRadius(tickDatum: _ModuleSupport.TickDatum): number;
    protected updateSelections(): void;
    protected updateLabels(): void;
    private updateGridLines;
    private updateTitle;
    protected computePolarLayout(): _ModuleSupport.PolarAxisLayout;
    private getTickLabelProps;
}