import BaseStrategy = require("./base");

import type Context = require("../context");
import type ServiceBroker = require("../service-broker");
import type Registry = require("../registry/registry");
import type Endpoint = require("../registry/endpoint");

declare namespace ShardStrategy {
	export interface ShardStrategyOptions {
		shardKey?: string | null;
		vnodes?: number;
		ringSize?: number | null;
		cacheSize?: number;
	}
}

declare class ShardStrategy extends BaseStrategy {
	constructor(
		registry: Registry,
		broker: ServiceBroker,
		opts?: ShardStrategy.ShardStrategyOptions
	);

	opts: ShardStrategy.ShardStrategyOptions;

	select(list: Endpoint[], ctx: Context): Endpoint;
}

export = ShardStrategy;