import type { PresetComponent, StreamCipherComponent, Transform } from '@jscrypto/core';
export interface Rc4Options {
    readonly drop?: number;
}
export declare const rc4: StreamCipherComponent<'RC4'>;
export declare const rc4Drop: StreamCipherComponent<'RC4Drop'>;
export declare const rc4Preset: PresetComponent<'rc4'>;
export declare function createRc4Transform(key: Uint8Array, drop?: number): Transform;
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