import { Node } from './node';
import { AddNodeOptions } from '../options';
import { Facts } from '../parameters';
import { Processor } from './processor';
export declare class RoundRobinProxy<DataType, NodeName extends string> implements Processor<DataType, NodeName> {
    private readonly addNodeOptions;
    private readonly queue;
    private readonly nodes;
    private currentIndex;
    constructor(addNodeOptions: AddNodeOptions<DataType, NodeName>);
    get nSize(): number;
    get qSize(): number;
    get rebalanced(): boolean;
    get downScaled(): boolean;
    get scalingFactor(): number;
    get node(): Node<DataType, NodeName>;
    private addNodes;
    scalingDown(): void;
    scalingUp(): void;
    process(facts: Facts<DataType, NodeName>): number;
    stopProcessing(): void;
}