export declare const MAX_RADIUS = 52;
export declare const MIN_RADIUS = 12;
export declare const COASTLINE_WIDTH = 1.6;
export declare const COASTLINE_OPACITY = 0.45;
export declare const BORDER_WIDTH = 1.4;
export declare const BORDER_OPACITY = 0.28;
export declare const BUBBLE_RING_WIDTH = 4;
export declare const SELECTION_RING_GAP = 10;
export declare const SELECTION_RING_WIDTH = 6;
export declare const MIN_HIT = 12;
/** One bubble's center and radius, all in the generated viewBox's units. */
export interface GeoMapBubble {
    x: number;
    y: number;
    r: number;
}
/**
 * The bubble radius for `count` against the largest count on the map, in
 * viewBox units. AREA is the encoding, so the radius is proportional to the
 * square root of the share: doubling the count grows the disc's area by two,
 * not its width. The floor keeps a tiny (or zero, or malformed) count visible
 * as a place rather than vanishing, which is the one deliberate departure from
 * strict proportionality.
 */
export declare function bubbleRadius(count: number, max: number): number;
//# sourceMappingURL=geo-map.bubbles.d.ts.map