import { ChartFrame } from '../frame/types';
import { HitSeries, HitTester } from './types';
export type GeometrySpec = {
    kind: 'point';
} | {
    kind: 'band';
    orientation?: 'x' | 'y';
} | {
    kind: 'cell';
} | {
    kind: 'slice';
    cx: number;
    cy: number;
} | {
    kind: 'axis';
    cx: number;
    cy: number;
};
export interface ChartRegistration {
    /** Frame owning plot rect + scales (used for crosshair math + tooltip anchor). */
    frame: ChartFrame;
    /** Which hit-tester to build. */
    geometry: GeometrySpec;
    /** Registered series with hit-testable marks. */
    series: HitSeries[];
}
/** Derive the concrete HitTester for a registration. */
export declare function createHitTester(reg: ChartRegistration): HitTester;