import { SolanaPaymentPayload } from "../../../types/index.js";
/**
 * Encodes a Solana payment payload to base64
 */
declare function encodePaymentPayload(payload: SolanaPaymentPayload): string;
/**
 * Decodes a base64 Solana payment payload
 */
declare function decodePaymentPayload(payment: string): SolanaPaymentPayload;
/**
 * Validates a Solana payment payload structure
 */
declare function validatePaymentPayload(obj: any): SolanaPaymentPayload;
/**
 * Validates a Solana address format
 */
declare function isValidSolanaAddress(address: string): boolean;
export { encodePaymentPayload, decodePaymentPayload, validatePaymentPayload, isValidSolanaAddress, };
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