export declare class VMValidation {
    static validateIndex(index: number, label?: string): void;
    static validateSeed(seed: string): void;
    static validateMnemonic(mnemonic: string): void;
    static validateDerivationPath(path: string, vmType?: 'EVM' | 'SVM'): void;
    static validateAmount(amount: bigint, label?: string): void;
    static validateEthereumAddress(address: string, label?: string): void;
}
export declare function sanitizeError(error: any, additionalSensitiveFields?: string[]): Error;
export declare function logSafeError(message: string, error: any, context?: Record<string, any>): void;