import { AttachShapeOptions } from '@rpgjs/common';
type ZoneDirection = "up" | "down" | "left" | "right";
/**
 * Radius of an attached shape: `radius`, or half of the largest side when only
 * `width` and `height` are given. `undefined` when neither is provided.
 */
export declare function resolveAttachedShapeRadius(options: AttachShapeOptions): number | undefined;
/**
 * Offset of an attached shape from the owner body center, from its positioning.
 */
export declare function resolveAttachedShapeOffset(positioning: AttachShapeOptions["positioning"], owner: {
    width?: number;
    height?: number;
    radius?: number;
}): {
    x: number;
    y: number;
};
/** Zone direction of an attached shape. `Direction` values are already strings. */
export declare function resolveAttachedShapeDirection(direction: AttachShapeOptions["direction"]): ZoneDirection;
/** Zone metadata carrying the shape name and properties, or `undefined` when empty. */
export declare function buildAttachedShapeMetadata(options: AttachShapeOptions): Record<string, any> | undefined;
export {};