import { Hasher } from './hasher.interface';
export type HashType = 'sha1' | 'sha256';
export interface HasherOptions {
    salt: string;
    iterations: number;
    keySize: number;
    type: HashType;
}
export declare class ShaHasher implements Hasher<string> {
    protected _options: HasherOptions;
    get options(): HasherOptions;
    constructor(options: HasherOptions);
    /**
     * Return the hash as a hexadecimal string
     * @param hashType
     * @param input
     * @param salt
     * @param iterations
     * @param keySize
     */
    static hash(hashType: HashType, input: string, salt: string, iterations: number, keySize: number): string;
    hash(input: string): string;
}