/**
 * GroundInvestigationBehavior - UFO investigates anomalies on the ground
 *
 * Phases: detection → approach (descend) → action (sweep beam) → resolution → transition
 */
import type { IUFOBehavior } from "../../contracts/IUFOBehavior.js";
import type { BehaviorContext } from "../../contracts/IUFOBehaviorRunner.js";
import type { UFOState } from "../../domain/ufo-types.js";
export declare class GroundInvestigationBehavior implements IUFOBehavior {
    readonly state: UFOState;
    start(ctx: BehaviorContext): void;
    update(ctx: BehaviorContext): void;
    private updateDetection;
    private updateApproach;
    private updateAction;
    private updateResolution;
    private updateTransition;
}
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