import { DeRedisOptions } from "../../models/DeRedisOptions";
import { BaseRedis } from "../BaseRedis";
import { INsFilter } from "../../interfaces/INsFilter";
/**
 *	@class
 */
export declare class NsFilterService extends BaseRedis implements INsFilter {
    /**
     *	@param [portOrPath]	{number | string}
     *	@param [hostOrOptions]	{string | DeRedisOptions}
     *	@param [options]	{DeRedisOptions}
     */
    constructor(portOrPath?: number | string, hostOrOptions?: string | DeRedisOptions, options?: DeRedisOptions);
    /**
     *	@param namespace	{string}
     *	@param hash		{string}
     *	@returns {Promise<number>}
     */
    add(namespace: string, hash: string): Promise<number>;
    /**
     *	@param namespace	{string}
     *	@param hash		{string}
     *	@returns {Promise<boolean>}
     */
    has(namespace: string, hash: string): Promise<boolean>;
    /**
     *	@param namespace	{string}
     *	@param hash		{string}
     *	@return {string}
     *	@private
     */
    private calcKey;
}
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