import { type CipherComponent, type PresetComponent, type StreamCipherComponent } from '@jscrypto/core';
export declare const chacha20: StreamCipherComponent<'ChaCha20'>;
export declare const xchacha20: StreamCipherComponent<'XChaCha20'>;
export declare const chacha20Poly1305: StreamCipherComponent<'ChaCha20-Poly1305'>;
export declare const xchacha20Poly1305: StreamCipherComponent<'XChaCha20-Poly1305'>;
export declare const allChaCha20Components: readonly CipherComponent[];
export declare const chacha20Preset: PresetComponent<'chacha20'>;