/**
 * Bidirectional map between local entity IDs and stable, peer-shared network IDs.
 *
 * The same entity is represented by different local IDs on different peers (each
 * peer's `EntityComponentDataset` assigns IDs independently). The network ID is
 * the peer-shared identifier for "this object" in serialized form.
 *
 * Network IDs are recyclable: when a slot is freed, its `generation` counter
 * increments. A stale reference like `(network_id=5, generation=2)` will not
 * match the live `(network_id=5, generation=3)` slot, so use-after-free can
 * be detected at parse time on the receiving peer.
 *
 * Storage is two parallel typed arrays indexed by `network_id`, plus a small
 * free-list of reusable IDs. No JS object per slot.
 *
 * @author Alex Goldring
 * @copyright Company Named Limited (c) 2026
 */
export class ReplicationSlotTable {
    /**
     * @param {{ initial_capacity?: number }} [options]
     */
    constructor({ initial_capacity }?: {
        initial_capacity?: number;
    });
    /**
     * Allocate a network_id for the given entity_id. Returns the new id.
     * Throws if the entity already has a network_id.
     *
     * @param {number} entity_id
     * @returns {number} network_id
     */
    allocate(entity_id: number): number;
    /**
     * Allocate using an explicit network_id (for the receiving peer that takes its
     * IDs from the wire). Bumps the slot's generation if it was reused. Throws
     * if the slot is currently in use.
     *
     * @param {number} network_id
     * @param {number} entity_id
     */
    allocate_at(network_id: number, entity_id: number): void;
    /**
     * Free the slot for `network_id`. Bumps the slot's generation. Slot becomes
     * available for re-allocation.
     *
     * @param {number} network_id
     */
    free(network_id: number): void;
    /**
     * Local entity for a network_id, or -1 if the slot is free.
     *
     * @param {number} network_id
     * @returns {number}
     */
    entity_for(network_id: number): number;
    /**
     * Network_id for a local entity, or -1 if not registered.
     *
     * @param {number} entity_id
     * @returns {number}
     */
    network_for(entity_id: number): number;
    /**
     * Generation of the slot. Useful for stale-reference detection.
     *
     * @param {number} network_id
     * @returns {number}
     */
    generation_of(network_id: number): number;
    /**
     * Number of currently-allocated slots.
     * @returns {number}
     */
    live_count(): number;
    #private;
}
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