/**
 * Solana address validation utilities
 *
 * Solana uses Base58 encoded 32-byte public keys as addresses.
 * Format: FDKJvWcJNe6wecbgDYDFPCfgs14aJnVsUfWQRYWLn4Tn (32-44 characters)
 *
 * @see https://solana.com/developers/courses/intro-to-solana/interact-with-wallets
 */
import { SolanaPublicKey } from "./types";
/**
 * System program addresses and other special Solana addresses
 * These are valid addresses but may not represent user wallets
 */
export declare const SOLANA_SYSTEM_ADDRESSES: {
    readonly SYSTEM_PROGRAM: "11111111111111111111111111111111";
    readonly TOKEN_PROGRAM: "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA";
    readonly TOKEN_2022_PROGRAM: "TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb";
    readonly ASSOCIATED_TOKEN_PROGRAM: "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL";
    readonly RENT_SYSVAR: "SysvarRent111111111111111111111111111111111";
    readonly CLOCK_SYSVAR: "SysvarC1ock11111111111111111111111111111111";
};
/**
 * Check if a string is a valid Solana address format
 *
 * This performs format validation only (length and character set).
 * It does NOT validate that the address is a valid point on the Ed25519 curve.
 *
 * @param value The value to check
 * @returns true if the value is a valid Solana address format
 */
export declare function isSolanaAddress(value: unknown): value is string;
/**
 * Get a valid Solana address from a string or PublicKey
 *
 * @param address The address to validate (string or PublicKey)
 * @returns The address string if valid, null otherwise
 */
export declare function getValidSolanaAddress(address: string | SolanaPublicKey | null | undefined): string | null;
/**
 * Check if a Solana address is a system program or well-known program address
 *
 * @param address The address to check
 * @returns true if the address is a system/program address
 */
export declare function isSolanaSystemAddress(address: string): boolean;
/**
 * Check if a Solana address is blocked (should not emit events)
 *
 * For Solana, we block system program addresses as they don't represent user wallets.
 *
 * @param address The address to check
 * @returns true if the address should be blocked
 */
export declare function isBlockedSolanaAddress(address: string | SolanaPublicKey | null | undefined): boolean;
/**
 * Convert a Solana PublicKey to a string address
 *
 * @param publicKey The public key to convert
 * @returns The Base58 encoded address string, or null if invalid
 */
export declare function publicKeyToAddress(publicKey: SolanaPublicKey | null | undefined): string | null;
/**
 * Check if two Solana addresses are equal (case-sensitive comparison)
 *
 * Unlike EVM addresses, Solana addresses are case-sensitive Base58.
 *
 * @param address1 First address
 * @param address2 Second address
 * @returns true if addresses are equal
 */
export declare function areSolanaAddressesEqual(address1: string | SolanaPublicKey | null | undefined, address2: string | SolanaPublicKey | null | undefined): boolean;
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