export declare const MNEMONIC_WORD_COUNTS_VALID: readonly [12, 18, 24];
export declare const PREMIUM_MONTHS_VALID_VALUES: readonly [3, 6, 12];
export declare const STARS_PURCHASE_MIN = 50;
export declare const STARS_PURCHASE_MAX = 10000000;
export declare const GRAM_TOPUP_MIN = 1;
export declare const GRAM_TOPUP_MAX = 1000000000;
export declare const STARS_WINNERS_MIN = 1;
export declare const STARS_WINNERS_MAX = 5;
export declare const PREMIUM_WINNERS_MIN = 1;
export declare const PREMIUM_WINNERS_MAX = 24000;
export declare const STARS_GIVEAWAY_MIN = 500;
export declare const STARS_GIVEAWAY_MAX = 1000000;
export declare class FragmentError extends Error {
    constructor(message: string);
}
export declare class ClientError extends FragmentError {
    constructor(message: string);
}
export declare class ConfigurationError extends ClientError {
    static MISSING_VARS: string;
    static UNSUPPORTED_VERSION: string;
    static INVALID_MNEMONIC: string;
    static UNSUPPORTED_PROVIDER: string;
    static UNSUPPORTED_METHOD: string;
    static INVALID_MONTHS: string;
    static INVALID_STARS_AMOUNT: string;
    static INVALID_GRAM_AMOUNT: string;
    static INVALID_TON_AMOUNT: string;
    static INVALID_WINNERS_STARS: string;
    static INVALID_WINNERS_PREMIUM: string;
    static INVALID_STARS_PER_WINNER: string;
    static INVALID_PAYMENT_METHOD: string;
    static INVALID_GIVEAWAY_PACKAGE: string;
    static INVALID_GIVEAWAY_WINNERS: string;
    static SEED_REQUIRED: string;
    static TON_TOKEN_REQUIRED: string;
    static API_KEY_REQUIRED: string;
    constructor(message: string);
}
export declare const ConfigError: typeof ConfigurationError;
export declare class CookieError extends ClientError {
    static READ_FAILED: string;
    static MISSING_KEYS: string;
    static UNSUPPORTED_BROWSER: string;
    static BROWSER_READ_FAILED: string;
    static MISSING_BROWSER_KEYS: string;
    static EXPIRED: string;
    constructor(message: string);
}
export declare class FragmentAPIError extends FragmentError {
    static NO_REQUEST_ID: string;
    constructor(message: string);
}
export declare class FragmentPageError extends FragmentAPIError {
    static BAD_STATUS: string;
    static HASH_NOT_FOUND: string;
    static ITEM_NOT_FOUND: string;
    constructor(message: string);
}
export declare class UserNotFoundError extends FragmentAPIError {
    static NOT_FOUND: string;
    static NOT_A_USER: string;
    constructor(message: string);
}
export declare class AlreadySubscribedError extends FragmentAPIError {
    static PREMIUM_ACTIVE: string;
    constructor(message: string);
}
export declare class AnonymousNumberError extends FragmentAPIError {
    static NOT_OWNED: string;
    static TERMINATE_FAILED: string;
    constructor(message: string);
}
export declare class TransactionError extends FragmentAPIError {
    static INVALID_PAYLOAD: string;
    static BROADCAST_FAILED: string;
    static BROADCAST_SSL_ERROR: string;
    static DUPLICATE_SEQNO: string;
    constructor(message: string);
}
export declare class ConfirmationTimeout extends TransactionError {
    static TIMEOUT: string;
    constructor(message: string);
}
export declare class SeqnoError extends TransactionError {
    static FETCH_FAILED: string;
    static STALE: string;
    constructor(message: string);
}
export declare class ParseError extends FragmentAPIError {
    static UNPARSEABLE: string;
    constructor(message: string);
}
export declare class VerificationError extends FragmentAPIError {
    static KYC_REQUIRED: string;
    constructor(message: string);
}
export declare class OperationError extends FragmentError {
    constructor(message: string);
}
export declare class WalletError extends OperationError {
    static LOW_GRAM_BALANCE: string;
    static LOW_TON_BALANCE: string;
    static LOW_USDT_BALANCE: string;
    static GRAM_BALANCE_CHECK_FAILED: string;
    static TON_BALANCE_CHECK_FAILED: string;
    static USDT_BALANCE_CHECK_FAILED: string;
    static ACCOUNT_INFO_FAILED: string;
    static WALLET_INFO_FAILED: string;
    constructor(message: string);
}
export declare class UnexpectedError extends OperationError {
    static UNEXPECTED: string;
    constructor(message: string);
}
export declare class RetryExhaustedError extends OperationError {
    static EXHAUSTED: string;
    constructor(message: string);
}
export declare class SessionStorageError extends OperationError {
    static SAVE_FAILED: string;
    static LOAD_FAILED: string;
    constructor(message: string);
}
export declare function fmt(template: string, params: Record<string, unknown>): string;
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