/**
 * UFOInteractionHandler - Handles user click interactions with the UFO
 *
 * Manages click detection, determines reaction type based on proximity
 * and mood, and triggers appropriate responses.
 */
import type { IUFOInteractionHandler, UFOStateCallbacks, ClickResult } from "../contracts/IUFOInteractionHandler.js";
import type { UFO } from "../domain/ufo-types.js";
import type { IUFOMoodManager } from "../contracts/IUFOMoodManager.js";
export declare class UFOInteractionHandler implements IUFOInteractionHandler {
    handleDirectHit(ufo: UFO, isConsecutive: boolean, moodManager: IUFOMoodManager, callbacks: UFOStateCallbacks): ClickResult;
    handleNearMiss(ufo: UFO, clickX: number, clickY: number, moodManager: IUFOMoodManager): ClickResult;
    handleFarClick(ufo: UFO, clickX: number, clickY: number, moodManager: IUFOMoodManager): ClickResult;
    angleDiff(from: number, to: number): number;
    /**
     * Curious reaction to first click - wobble and become playful
     */
    private reactCuriously;
    /**
     * Playful reaction - happy spin
     */
    private reactPlayfully;
    /**
     * Flee reaction - panic exit
     */
    private reactFlee;
}
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