/**
 * FollowingBehavior - UFO follows alongside another celestial object
 *
 * Phases: approach → action (flying alongside) → resolution (peel away) → transition
 */
import type { IUFOBehavior } from "../../contracts/IUFOBehavior.js";
import type { BehaviorContext } from "../../contracts/IUFOBehaviorRunner.js";
import type { UFOState, EventPosition } from "../../domain/ufo-types.js";
export declare class FollowingBehavior implements IUFOBehavior {
    readonly state: UFOState;
    start(ctx: BehaviorContext, event: EventPosition): void;
    update(ctx: BehaviorContext): void;
    private updateApproach;
    private updateAction;
    private updateResolution;
    private updateTransition;
}
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