import { PublicKey } from '@solana/web3.js';
/**
 * Derives the PDA for a MerkleDistributor account
 * @param mint The mint public key
 * @param version The version number
 * @returns [PDA, bump] tuple
 */
export declare function getDistributorPDA(mint: PublicKey, version: bigint): [PublicKey, number];
/**
 * Derives the PDA for a ClaimStatus account
 * @param claimant The claimant's public key
 * @param distributor The distributor's public key
 * @returns [PDA, bump] tuple
 */
export declare function getClaimStatusPDA(claimant: PublicKey, distributor: PublicKey): [PublicKey, number];
/**
 * Converts a hex string to Uint8Array
 * @param hex Hex string (with or without 0x prefix)
 * @returns Uint8Array
 */
export declare function hexToUint8Array(hex: string): Uint8Array;
/**
 * Converts Uint8Array to hex string
 * @param bytes Uint8Array
 * @returns Hex string without 0x prefix
 */
export declare function uint8ArrayToHex(bytes: Uint8Array): string;
/**
 * Converts bigint to BN (Anchor's Big Number)
 * @param value bigint value
 * @returns BN
 */
export declare function bigintToBN(value: bigint): any;
/**
 * Validates that a merkle proof is properly formatted
 * @param proof Array of hex strings or Uint8Arrays
 * @returns boolean
 */
export declare function validateMerkleProof(proof: (string | Uint8Array)[]): boolean;
/**
 * Gets the current Unix timestamp
 * @returns Current timestamp in seconds
 */
export declare function getCurrentTimestamp(): number;
/**
 * Validates timestamp parameters for distributor creation
 * @param startVestingTs Start vesting timestamp
 * @param endVestingTs End vesting timestamp
 * @param clawbackStartTs Clawback start timestamp
 * @returns Object with validation result and error message if invalid
 */
export declare function validateTimestamps(startVestingTs: bigint, endVestingTs: bigint, clawbackStartTs: bigint): {
    valid: boolean;
    error?: string;
};