import { EntitySystem } from '../entities/system.js';
import { Bounds3 } from '@quake2ts/shared';
export interface TriggerVolume {
    id: number;
    classname: string;
    targetname: string | null;
    target: string | null;
    bounds: Bounds3;
    delay: number;
    message: string | null;
    sounds: number | null;
}
/**
 * Returns all activation chains starting from the given entity.
 * Each chain is an array of entity IDs, starting with the source entity.
 * Cycles are detected and terminated to prevent infinite loops.
 */
export declare function getActivationChain(system: EntitySystem, entityId: number): number[][];
export declare function getTriggerVolumes(system: EntitySystem): TriggerVolume[];
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