export declare class SavingsValidation {
    static validateAccountIndex(index: number): void;
    static validateWalletIndex(index: number): void;
    static validateAmount(amount: bigint, label?: string): void;
    static validateAddress(address: string, label?: string): void;
    static validateMnemonic(mnemonic: string): void;
    static validateChainId(chainId: number): void;
    static validateAmountString(amount: string, label?: string): void;
}