import { Sha256Service } from './sha256.service';
export declare class Sha256Module {
    static register(options?: {
        secret?: string;
        prefix?: string;
        suffix?: string;
    }): {
        module: typeof Sha256Module;
        providers: (typeof Sha256Service | {
            useFactory: () => string;
            provide: string;
        })[];
        exports: (string | typeof Sha256Service)[];
    };
}