import type { OtpAuthUri } from './types/otp-auth-uri';
/**
 * Build an OTPAuth URI for QR code generation
 *
 * @param params - URI parameters
 *
 * @returns OTPAuth URI string
 */
export declare const buildOtpAuthUri: ({ secretBase32, label, issuer, algorithm, digits, period }: OtpAuthUri) => string;
/**
 * Parse an OTPAuth URI
 *
 * @remarks
 * Security: Validates all parameters to prevent injection or invalid configurations.
 * - Algorithm must be SHA-1, SHA-256, or SHA-512
 * - Digits must be 6 or 8
 * - Period must be a positive integer
 * - Label is required per otpauth specification
 *
 * @param uri - OTPAuth URI to parse
 *
 * @throws ({@link InternalError}) - if the URI is invalid or missing required parameters
 *
 * @returns Parsed URI parameters
 */
export declare const parseOtpAuthUri: (uri: string) => Required<Omit<OtpAuthUri, "issuer">> & {
    issuer?: string;
};