export type HappCryptoVersion = 'v2' | 'v3' | 'v4';
export interface HappCryptoResult {
    /** Deep link prefix (e.g., 'happ://crypt4/') */
    deepLink: string;
    /** Base64 encoded encrypted content */
    encryptedContent: string;
}
/**
 * Creates a Happ crypto deep link by encrypting content with RSA public key.
 * Uses jsencrypt library for browser compatibility.
 * Returns full link as string if `asLink` is true.
 *
 * @param content - The content to encrypt (e.g., subscription URL)
 * @param version - Crypto version to use (v2, v3, or v4)
 * @param asLink - When true, returns full link string
 * @returns Full deep link string or null on error
 *
 * @example
 * ```ts
 * const link = createHappCryptoLink('https://subscription.link.com/s/remnawavetop', 'v4', true);
 * // Returns: 'happ://crypt4/base64encodeddata...'
 * ```
 */
export declare function createHappCryptoLink(content: string, version: HappCryptoVersion, asLink: true): string | null;
/**
 * Creates a Happ crypto deep link by encrypting content with RSA public key.
 * Uses jsencrypt library for browser compatibility.
 * Returns object with deepLink prefix and encryptedContent if `asLink` is false.
 *
 * @param content - The content to encrypt (e.g., subscription URL)
 * @param version - Crypto version to use (v2, v3, or v4)
 * @param asLink - When false or omitted, returns result object
 * @returns Object with deepLink and encryptedContent, or null on error
 *
 * @example
 * ```ts
 * const result = createHappCryptoLink('https://subscription.link.com/s/remnawavetop', 'v4');
 * // Returns: { deepLink: 'happ://crypt4/', encryptedContent: 'base64encodeddata...' }
 * ```
 */
export declare function createHappCryptoLink(content: string, version: HappCryptoVersion, asLink?: false): HappCryptoResult | null;
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