import { SRPEngine, Hash } from "./engine/SRPEngine";
/**
 * Multiplicative group: prime number and modulo.
 */
export declare type SRPGroup = 'rfc5054_1024' | 'rfc5054_1536' | 'rfc5054_2048' | 'rfc5054_3072' | 'rfc5054_4096' | 'rfc5054_6144' | 'rfc5054_8192' | {
    N: string;
    g: string;
};
export declare type SRPParams = 'default' | 'homekit' | {
    group: SRPGroup;
    hash: 'sha-1' | 'sha-256' | 'sha-512' | Hash;
};
export declare function createSRPEngine(params: SRPParams): SRPEngine;