import WeightValue from "./WeightValue";
export default abstract class AbstractLoadBalancer<Value> {
    protected isWeight: boolean;
    protected pool: WeightValue<Value>[];
    protected currentIndex: number;
    protected constructor(pool: WeightValue<Value>[], isWeight: boolean);
    /**
     * pick a single member from the pool using the load balancing implementation
     *
     */
    abstract pick(): WeightValue<Value>;
    poolSize(): number;
    existedPool(): WeightValue<Value>[];
    protected prepareWeights(pool: WeightValue<Value>[]): any[];
}