/**
 * The `ShardingRegistrationEvent` module models the live notifications emitted
 * by `Sharding` when the local runner registers an entity handler or singleton.
 * Consumers can use these events to wait for registrations during startup,
 * inspect which capabilities a runner made available, or assert registration
 * behavior in tests.
 *
 * @stability unstable
 * @since 4.0.0
 */
import * as Data from "../Data.ts";
import type { Entity } from "./Entity.ts";
import type { SingletonAddress } from "./SingletonAddress.ts";
/**
 * Represents events that can occur when a runner registers entities or singletons.
 *
 * @stability unstable
 * @category models
 * @since 4.0.0
 */
export type ShardingRegistrationEvent = EntityRegistered | SingletonRegistered;
/**
 * Represents an event that occurs when a new entity is registered with a runner.
 *
 * @stability unstable
 * @category models
 * @since 4.0.0
 */
export interface EntityRegistered {
    readonly _tag: "EntityRegistered";
    readonly entity: Entity<any, any>;
}
/**
 * Represents an event that occurs when a new singleton is registered with a
 * runner.
 *
 * @stability unstable
 * @category models
 * @since 4.0.0
 */
export interface SingletonRegistered {
    readonly _tag: "SingletonRegistered";
    readonly address: SingletonAddress;
}
/**
 * Constructors and matchers for sharding registration events.
 *
 * @stability unstable
 * @category pattern matching
 * @since 4.0.0
 */
export declare const match: {
    <Cases extends { readonly [Tag in "EntityRegistered" | "SingletonRegistered"]: (args: Extract<ShardingRegistrationEvent, {
        readonly _tag: Tag;
    }>) => any; }>(cases: Cases): (value: ShardingRegistrationEvent) => import("../Unify.ts").Unify<ReturnType<Cases["EntityRegistered" | "SingletonRegistered"]>>;
    <Cases extends { readonly [Tag in "EntityRegistered" | "SingletonRegistered"]: (args: Extract<ShardingRegistrationEvent, {
        readonly _tag: Tag;
    }>) => any; }>(value: ShardingRegistrationEvent, cases: Cases): import("../Unify.ts").Unify<ReturnType<Cases["EntityRegistered" | "SingletonRegistered"]>>;
}, 
/**
 * Creates an event for an entity registered by the local runner.
 *
 * @stability unstable
 * @category constructors
 * @since 4.0.0
 */
EntityRegistered: Data.TaggedEnum.ConstructorFrom<EntityRegistered, "_tag">, 
/**
 * Creates an event for a singleton registered by the local runner.
 *
 * @stability unstable
 * @category constructors
 * @since 4.0.0
 */
SingletonRegistered: Data.TaggedEnum.ConstructorFrom<SingletonRegistered, "_tag">;
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